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Finding the Fourth Proportional to 567.68, 781.25 and 526.37

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Solution

The fourth proportional to 567.68, 781.25 and 526.37 is: 724.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    567.68 : 781.25 = 526.37 : x
  2. Step 2: Convert to fraction form
    567.68/781.25 = 526.37/x
  3. Step 3: Cross multiply
    567.68x = 781.25 × 526.37
  4. Step 4: Simplify right side
    567.68x = 411,220.02
  5. Step 5: Solve for x
    x = 411,220.02/567.68
  6. Step 6: Final answer
    x = 724.39

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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.