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Finding the Fourth Proportional to 567,868.59, 782,064.11 and 555,468.30

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Solution

The fourth proportional to 567,868.59, 782,064.11 and 555,468.30 is: 764,986.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,868.59 : 782,064.11 = 555,468.30 : x
  2. Step 2: Convert to fraction form
    567,868.59/782,064.11 = 555,468.30/x
  3. Step 3: Cross multiply
    567,868.59x = 782,064.11 × 555,468.30
  4. Step 4: Simplify right side
    567,868.59x = 434,411,823,061.38
  5. Step 5: Solve for x
    x = 434,411,823,061.38/567,868.59
  6. Step 6: Final answer
    x = 764,986.53

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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.