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Finding the Fourth Proportional to 482,444.40, 722,753.17 and 322,036.65

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Solution

The fourth proportional to 482,444.40, 722,753.17 and 322,036.65 is: 482,445.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,444.40 : 722,753.17 = 322,036.65 : x
  2. Step 2: Convert to fraction form
    482,444.40/722,753.17 = 322,036.65/x
  3. Step 3: Cross multiply
    482,444.40x = 722,753.17 × 322,036.65
  4. Step 4: Simplify right side
    482,444.40x = 232,753,009,840.38
  5. Step 5: Solve for x
    x = 232,753,009,840.38/482,444.40
  6. Step 6: Final answer
    x = 482,445.26

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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.