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Finding the Fourth Proportional to 636,830.17, 955,214.10 and 237,439.81

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Solution

The fourth proportional to 636,830.17, 955,214.10 and 237,439.81 is: 356,148.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,830.17 : 955,214.10 = 237,439.81 : x
  2. Step 2: Convert to fraction form
    636,830.17/955,214.10 = 237,439.81/x
  3. Step 3: Cross multiply
    636,830.17x = 955,214.10 × 237,439.81
  4. Step 4: Simplify right side
    636,830.17x = 226,805,854,413.32
  5. Step 5: Solve for x
    x = 226,805,854,413.32/636,830.17
  6. Step 6: Final answer
    x = 356,148.10

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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.