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Finding the Fourth Proportional to 551,196.60, 826,025.10 and 297,931.20

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Solution

The fourth proportional to 551,196.60, 826,025.10 and 297,931.20 is: 446,480.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,196.60 : 826,025.10 = 297,931.20 : x
  2. Step 2: Convert to fraction form
    551,196.60/826,025.10 = 297,931.20/x
  3. Step 3: Cross multiply
    551,196.60x = 826,025.10 × 297,931.20
  4. Step 4: Simplify right side
    551,196.60x = 246,098,649,273.12
  5. Step 5: Solve for x
    x = 246,098,649,273.12/551,196.60
  6. Step 6: Final answer
    x = 446,480.71

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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.