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Finding the Fourth Proportional to 636,000.66, 877,734.78 and 432,503.04

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Solution

The fourth proportional to 636,000.66, 877,734.78 and 432,503.04 is: 596,890.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,000.66 : 877,734.78 = 432,503.04 : x
  2. Step 2: Convert to fraction form
    636,000.66/877,734.78 = 432,503.04/x
  3. Step 3: Cross multiply
    636,000.66x = 877,734.78 × 432,503.04
  4. Step 4: Simplify right side
    636,000.66x = 379,622,960,663.73
  5. Step 5: Solve for x
    x = 379,622,960,663.73/636,000.66
  6. Step 6: Final answer
    x = 596,890.83

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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.