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Finding the Fourth Proportional to 605,011.60, 907,517.40 and 577,455.40

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Solution

The fourth proportional to 605,011.60, 907,517.40 and 577,455.40 is: 866,183.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,011.60 : 907,517.40 = 577,455.40 : x
  2. Step 2: Convert to fraction form
    605,011.60/907,517.40 = 577,455.40/x
  3. Step 3: Cross multiply
    605,011.60x = 907,517.40 × 577,455.40
  4. Step 4: Simplify right side
    605,011.60x = 524,050,823,223.96
  5. Step 5: Solve for x
    x = 524,050,823,223.96/605,011.60
  6. Step 6: Final answer
    x = 866,183.10

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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.