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Finding the Fourth Proportional to 534,379.80, 737,460.90 and 292,685.52

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Solution

The fourth proportional to 534,379.80, 737,460.90 and 292,685.52 is: 403,915.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,379.80 : 737,460.90 = 292,685.52 : x
  2. Step 2: Convert to fraction form
    534,379.80/737,460.90 = 292,685.52/x
  3. Step 3: Cross multiply
    534,379.80x = 737,460.90 × 292,685.52
  4. Step 4: Simplify right side
    534,379.80x = 215,844,126,996.17
  5. Step 5: Solve for x
    x = 215,844,126,996.17/534,379.80
  6. Step 6: Final answer
    x = 403,915.21

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1.5x scale

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.