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Finding the Fourth Proportional to 593,257.16, 818,689.92 and 321,318.74

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Solution

The fourth proportional to 593,257.16, 818,689.92 and 321,318.74 is: 443,417.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,257.16 : 818,689.92 = 321,318.74 : x
  2. Step 2: Convert to fraction form
    593,257.16/818,689.92 = 321,318.74/x
  3. Step 3: Cross multiply
    593,257.16x = 818,689.92 × 321,318.74
  4. Step 4: Simplify right side
    593,257.16x = 263,060,413,545.10
  5. Step 5: Solve for x
    x = 263,060,413,545.10/593,257.16
  6. Step 6: Final answer
    x = 443,417.17

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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.