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Finding the Fourth Proportional to 568,060.80, 852,091.20 and 318,710.40

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Solution

The fourth proportional to 568,060.80, 852,091.20 and 318,710.40 is: 478,065.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,060.80 : 852,091.20 = 318,710.40 : x
  2. Step 2: Convert to fraction form
    568,060.80/852,091.20 = 318,710.40/x
  3. Step 3: Cross multiply
    568,060.80x = 852,091.20 × 318,710.40
  4. Step 4: Simplify right side
    568,060.80x = 271,570,327,188.48
  5. Step 5: Solve for x
    x = 271,570,327,188.48/568,060.80
  6. Step 6: Final answer
    x = 478,065.60

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Similar ratio
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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.