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Finding the Fourth Proportional to 607,147.20, 910,830.15 and 252,197.10

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Solution

The fourth proportional to 607,147.20, 910,830.15 and 252,197.10 is: 378,341.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,147.20 : 910,830.15 = 252,197.10 : x
  2. Step 2: Convert to fraction form
    607,147.20/910,830.15 = 252,197.10/x
  3. Step 3: Cross multiply
    607,147.20x = 910,830.15 × 252,197.10
  4. Step 4: Simplify right side
    607,147.20x = 229,708,722,422.57
  5. Step 5: Solve for x
    x = 229,708,722,422.57/607,147.20
  6. Step 6: Final answer
    x = 378,341.07

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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.