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Finding the Fourth Proportional to 546,687.60, 820,031.40 and 251,775.60

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Solution

The fourth proportional to 546,687.60, 820,031.40 and 251,775.60 is: 377,663.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,687.60 : 820,031.40 = 251,775.60 : x
  2. Step 2: Convert to fraction form
    546,687.60/820,031.40 = 251,775.60/x
  3. Step 3: Cross multiply
    546,687.60x = 820,031.40 × 251,775.60
  4. Step 4: Simplify right side
    546,687.60x = 206,463,897,753.84
  5. Step 5: Solve for x
    x = 206,463,897,753.84/546,687.60
  6. Step 6: Final answer
    x = 377,663.40

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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.