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Finding the Fourth Proportional to 658,870.71, 908,562.74 and 563,692.47

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Solution

The fourth proportional to 658,870.71, 908,562.74 and 563,692.47 is: 777,314.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,870.71 : 908,562.74 = 563,692.47 : x
  2. Step 2: Convert to fraction form
    658,870.71/908,562.74 = 563,692.47/x
  3. Step 3: Cross multiply
    658,870.71x = 908,562.74 × 563,692.47
  4. Step 4: Simplify right side
    658,870.71x = 512,149,972,242.11
  5. Step 5: Solve for x
    x = 512,149,972,242.11/658,870.71
  6. Step 6: Final answer
    x = 777,314.83

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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.