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Finding the Fourth Proportional to 664,222.60, 996,333.90 and 609,110.20

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Solution

The fourth proportional to 664,222.60, 996,333.90 and 609,110.20 is: 913,665.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,222.60 : 996,333.90 = 609,110.20 : x
  2. Step 2: Convert to fraction form
    664,222.60/996,333.90 = 609,110.20/x
  3. Step 3: Cross multiply
    664,222.60x = 996,333.90 × 609,110.20
  4. Step 4: Simplify right side
    664,222.60x = 606,877,141,095.78
  5. Step 5: Solve for x
    x = 606,877,141,095.78/664,222.60
  6. Step 6: Final answer
    x = 913,665.30

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.