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Finding the Fourth Proportional to 605,067.60, 907,601.40 and 577,511.40

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Solution

The fourth proportional to 605,067.60, 907,601.40 and 577,511.40 is: 866,267.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,067.60 : 907,601.40 = 577,511.40 : x
  2. Step 2: Convert to fraction form
    605,067.60/907,601.40 = 577,511.40/x
  3. Step 3: Cross multiply
    605,067.60x = 907,601.40 × 577,511.40
  4. Step 4: Simplify right side
    605,067.60x = 524,150,155,155.96
  5. Step 5: Solve for x
    x = 524,150,155,155.96/605,067.60
  6. Step 6: Final answer
    x = 866,267.10

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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.