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Finding the Fourth Proportional to 636,281.92, 877,776.46 and 563,758.27

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Solution

The fourth proportional to 636,281.92, 877,776.46 and 563,758.27 is: 777,727.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,281.92 : 877,776.46 = 563,758.27 : x
  2. Step 2: Convert to fraction form
    636,281.92/877,776.46 = 563,758.27/x
  3. Step 3: Cross multiply
    636,281.92x = 877,776.46 × 563,758.27
  4. Step 4: Simplify right side
    636,281.92x = 494,853,738,536.32
  5. Step 5: Solve for x
    x = 494,853,738,536.32/636,281.92
  6. Step 6: Final answer
    x = 777,727.17

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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.