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Finding the Fourth Proportional to 653,553.10, 913,108.10 and 653,553.10

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Solution

The fourth proportional to 653,553.10, 913,108.10 and 653,553.10 is: 913,108.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,553.10 : 913,108.10 = 653,553.10 : x
  2. Step 2: Convert to fraction form
    653,553.10/913,108.10 = 653,553.10/x
  3. Step 3: Cross multiply
    653,553.10x = 913,108.10 × 653,553.10
  4. Step 4: Simplify right side
    653,553.10x = 596,764,629,390.11
  5. Step 5: Solve for x
    x = 596,764,629,390.11/653,553.10
  6. Step 6: Final answer
    x = 913,108.10

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Double scale
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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.