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Finding the Fourth Proportional to 585,757.20, 878,635.80 and 349,366.80

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Solution

The fourth proportional to 585,757.20, 878,635.80 and 349,366.80 is: 524,050.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,757.20 : 878,635.80 = 349,366.80 : x
  2. Step 2: Convert to fraction form
    585,757.20/878,635.80 = 349,366.80/x
  3. Step 3: Cross multiply
    585,757.20x = 878,635.80 × 349,366.80
  4. Step 4: Simplify right side
    585,757.20x = 306,966,177,811.44
  5. Step 5: Solve for x
    x = 306,966,177,811.44/585,757.20
  6. Step 6: Final answer
    x = 524,050.20

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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.