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Finding the Fourth Proportional to 366,892.32, 506,532.24 and 239,780.64

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Solution

The fourth proportional to 366,892.32, 506,532.24 and 239,780.64 is: 331,041.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,892.32 : 506,532.24 = 239,780.64 : x
  2. Step 2: Convert to fraction form
    366,892.32/506,532.24 = 239,780.64/x
  3. Step 3: Cross multiply
    366,892.32x = 506,532.24 × 239,780.64
  4. Step 4: Simplify right side
    366,892.32x = 121,456,624,687.83
  5. Step 5: Solve for x
    x = 121,456,624,687.83/366,892.32
  6. Step 6: Final answer
    x = 331,041.61

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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.