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Finding the Fourth Proportional to 636,276.92, 877,769.56 and 563,753.27

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Solution

The fourth proportional to 636,276.92, 877,769.56 and 563,753.27 is: 777,720.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,276.92 : 877,769.56 = 563,753.27 : x
  2. Step 2: Convert to fraction form
    636,276.92/877,769.56 = 563,753.27/x
  3. Step 3: Cross multiply
    636,276.92x = 877,769.56 × 563,753.27
  4. Step 4: Simplify right side
    636,276.92x = 494,845,455,367.61
  5. Step 5: Solve for x
    x = 494,845,455,367.61/636,276.92
  6. Step 6: Final answer
    x = 777,720.27

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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.