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Finding the Fourth Proportional to 552,189.30, 827,117.55 and 458,877.30

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Solution

The fourth proportional to 552,189.30, 827,117.55 and 458,877.30 is: 687,346.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,189.30 : 827,117.55 = 458,877.30 : x
  2. Step 2: Convert to fraction form
    552,189.30/827,117.55 = 458,877.30/x
  3. Step 3: Cross multiply
    552,189.30x = 827,117.55 × 458,877.30
  4. Step 4: Simplify right side
    552,189.30x = 379,545,468,126.62
  5. Step 5: Solve for x
    x = 379,545,468,126.62/552,189.30
  6. Step 6: Final answer
    x = 687,346.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.