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Finding the Fourth Proportional to 531,778.96, 797,428.12 and 152,613.32

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Solution

The fourth proportional to 531,778.96, 797,428.12 and 152,613.32 is: 228,851.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,778.96 : 797,428.12 = 152,613.32 : x
  2. Step 2: Convert to fraction form
    531,778.96/797,428.12 = 152,613.32/x
  3. Step 3: Cross multiply
    531,778.96x = 797,428.12 × 152,613.32
  4. Step 4: Simplify right side
    531,778.96x = 121,698,152,854.56
  5. Step 5: Solve for x
    x = 121,698,152,854.56/531,778.96
  6. Step 6: Final answer
    x = 228,851.01

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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.