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Finding the Fourth Proportional to 607,002.30, 910,503.45 and 574,343.10

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Solution

The fourth proportional to 607,002.30, 910,503.45 and 574,343.10 is: 861,514.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,002.30 : 910,503.45 = 574,343.10 : x
  2. Step 2: Convert to fraction form
    607,002.30/910,503.45 = 574,343.10/x
  3. Step 3: Cross multiply
    607,002.30x = 910,503.45 × 574,343.10
  4. Step 4: Simplify right side
    607,002.30x = 522,941,374,033.70
  5. Step 5: Solve for x
    x = 522,941,374,033.70/607,002.30
  6. Step 6: Final answer
    x = 861,514.65

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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.