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Finding the Fourth Proportional to 531,138.38, 732,948.02 and 301,694.96

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Solution

The fourth proportional to 531,138.38, 732,948.02 and 301,694.96 is: 416,326.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,138.38 : 732,948.02 = 301,694.96 : x
  2. Step 2: Convert to fraction form
    531,138.38/732,948.02 = 301,694.96/x
  3. Step 3: Cross multiply
    531,138.38x = 732,948.02 × 301,694.96
  4. Step 4: Simplify right side
    531,138.38x = 221,126,723,575.98
  5. Step 5: Solve for x
    x = 221,126,723,575.98/531,138.38
  6. Step 6: Final answer
    x = 416,326.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.