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Finding the Fourth Proportional to 605,005.60, 907,508.40 and 577,449.40

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Solution

The fourth proportional to 605,005.60, 907,508.40 and 577,449.40 is: 866,174.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,005.60 : 907,508.40 = 577,449.40 : x
  2. Step 2: Convert to fraction form
    605,005.60/907,508.40 = 577,449.40/x
  3. Step 3: Cross multiply
    605,005.60x = 907,508.40 × 577,449.40
  4. Step 4: Simplify right side
    605,005.60x = 524,040,181,074.96
  5. Step 5: Solve for x
    x = 524,040,181,074.96/605,005.60
  6. Step 6: Final answer
    x = 866,174.10

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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.