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Finding the Fourth Proportional to 738,957.81, 1,019,773.13 and 432,960.96

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Solution

The fourth proportional to 738,957.81, 1,019,773.13 and 432,960.96 is: 597,492.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,957.81 : 1,019,773.13 = 432,960.96 : x
  2. Step 2: Convert to fraction form
    738,957.81/1,019,773.13 = 432,960.96/x
  3. Step 3: Cross multiply
    738,957.81x = 1,019,773.13 × 432,960.96
  4. Step 4: Simplify right side
    738,957.81x = 441,521,951,182.20
  5. Step 5: Solve for x
    x = 441,521,951,182.20/738,957.81
  6. Step 6: Final answer
    x = 597,492.77

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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.