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Finding the Fourth Proportional to 653,553.60, 913,108.80 and 653,553.60

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Solution

The fourth proportional to 653,553.60, 913,108.80 and 653,553.60 is: 913,108.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,553.60 : 913,108.80 = 653,553.60 : x
  2. Step 2: Convert to fraction form
    653,553.60/913,108.80 = 653,553.60/x
  3. Step 3: Cross multiply
    653,553.60x = 913,108.80 × 653,553.60
  4. Step 4: Simplify right side
    653,553.60x = 596,765,543,431.68
  5. Step 5: Solve for x
    x = 596,765,543,431.68/653,553.60
  6. Step 6: Final answer
    x = 913,108.80

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Half scale
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Double scale
Find fourth proportional to 653,554.60, 913,110.20 and 653,554.60
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.