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Finding the Fourth Proportional to 636,635.16, 955,012.68 and 187,356.24

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Solution

The fourth proportional to 636,635.16, 955,012.68 and 187,356.24 is: 281,052.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,635.16 : 955,012.68 = 187,356.24 : x
  2. Step 2: Convert to fraction form
    636,635.16/955,012.68 = 187,356.24/x
  3. Step 3: Cross multiply
    636,635.16x = 955,012.68 × 187,356.24
  4. Step 4: Simplify right side
    636,635.16x = 178,927,584,877.12
  5. Step 5: Solve for x
    x = 178,927,584,877.12/636,635.16
  6. Step 6: Final answer
    x = 281,052.00

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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.