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Finding the Fourth Proportional to 982,561.60, 1,473,842.40 and 351,524.80

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Solution

The fourth proportional to 982,561.60, 1,473,842.40 and 351,524.80 is: 527,287.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    982,561.60 : 1,473,842.40 = 351,524.80 : x
  2. Step 2: Convert to fraction form
    982,561.60/1,473,842.40 = 351,524.80/x
  3. Step 3: Cross multiply
    982,561.60x = 1,473,842.40 × 351,524.80
  4. Step 4: Simplify right side
    982,561.60x = 518,092,154,891.52
  5. Step 5: Solve for x
    x = 518,092,154,891.52/982,561.60
  6. Step 6: Final answer
    x = 527,287.20

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Double scale
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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.