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Finding the Fourth Proportional to 534,376.74, 737,439.48 and 292,674.36

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Solution

The fourth proportional to 534,376.74, 737,439.48 and 292,674.36 is: 403,890.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,376.74 : 737,439.48 = 292,674.36 : x
  2. Step 2: Convert to fraction form
    534,376.74/737,439.48 = 292,674.36/x
  3. Step 3: Cross multiply
    534,376.74x = 737,439.48 × 292,674.36
  4. Step 4: Simplify right side
    534,376.74x = 215,829,627,847.73
  5. Step 5: Solve for x
    x = 215,829,627,847.73/534,376.74
  6. Step 6: Final answer
    x = 403,890.39

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Double scale
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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.