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Finding the Fourth Proportional to 472,092.60, 708,138.90 and 294,799.80

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Solution

The fourth proportional to 472,092.60, 708,138.90 and 294,799.80 is: 442,199.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,092.60 : 708,138.90 = 294,799.80 : x
  2. Step 2: Convert to fraction form
    472,092.60/708,138.90 = 294,799.80/x
  3. Step 3: Cross multiply
    472,092.60x = 708,138.90 × 294,799.80
  4. Step 4: Simplify right side
    472,092.60x = 208,759,206,092.22
  5. Step 5: Solve for x
    x = 208,759,206,092.22/472,092.60
  6. Step 6: Final answer
    x = 442,199.70

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Similar ratio
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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.