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Finding the Fourth Proportional to 534,102.15, 737,078.40 and 292,384.74

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Solution

The fourth proportional to 534,102.15, 737,078.40 and 292,384.74 is: 403,500.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,102.15 : 737,078.40 = 292,384.74 : x
  2. Step 2: Convert to fraction form
    534,102.15/737,078.40 = 292,384.74/x
  3. Step 3: Cross multiply
    534,102.15x = 737,078.40 × 292,384.74
  4. Step 4: Simplify right side
    534,102.15x = 215,510,476,343.62
  5. Step 5: Solve for x
    x = 215,510,476,343.62/534,102.15
  6. Step 6: Final answer
    x = 403,500.48

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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.