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Finding the Fourth Proportional to 475,521.96, 656,287.44 and 294,292.20

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Solution

The fourth proportional to 475,521.96, 656,287.44 and 294,292.20 is: 406,164.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,521.96 : 656,287.44 = 294,292.20 : x
  2. Step 2: Convert to fraction form
    475,521.96/656,287.44 = 294,292.20/x
  3. Step 3: Cross multiply
    475,521.96x = 656,287.44 × 294,292.20
  4. Step 4: Simplify right side
    475,521.96x = 193,140,274,549.97
  5. Step 5: Solve for x
    x = 193,140,274,549.97/475,521.96
  6. Step 6: Final answer
    x = 406,164.78

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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.