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Finding the Fourth Proportional to 585,025.20, 877,537.80 and 512,708.40

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Solution

The fourth proportional to 585,025.20, 877,537.80 and 512,708.40 is: 769,062.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,025.20 : 877,537.80 = 512,708.40 : x
  2. Step 2: Convert to fraction form
    585,025.20/877,537.80 = 512,708.40/x
  3. Step 3: Cross multiply
    585,025.20x = 877,537.80 × 512,708.40
  4. Step 4: Simplify right side
    585,025.20x = 449,921,001,377.52
  5. Step 5: Solve for x
    x = 449,921,001,377.52/585,025.20
  6. Step 6: Final answer
    x = 769,062.60

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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.