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Finding the Fourth Proportional to 534,494.95, 737,576.82 and 292,778.60

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Solution

The fourth proportional to 534,494.95, 737,576.82 and 292,778.60 is: 404,020.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,494.95 : 737,576.82 = 292,778.60 : x
  2. Step 2: Convert to fraction form
    534,494.95/737,576.82 = 292,778.60/x
  3. Step 3: Cross multiply
    534,494.95x = 737,576.82 × 292,778.60
  4. Step 4: Simplify right side
    534,494.95x = 215,946,705,064.17
  5. Step 5: Solve for x
    x = 215,946,705,064.17/534,494.95
  6. Step 6: Final answer
    x = 404,020.11

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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.