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Finding the Fourth Proportional to 605,021.60, 907,532.40 and 577,465.40

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Solution

The fourth proportional to 605,021.60, 907,532.40 and 577,465.40 is: 866,198.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,021.60 : 907,532.40 = 577,465.40 : x
  2. Step 2: Convert to fraction form
    605,021.60/907,532.40 = 577,465.40/x
  3. Step 3: Cross multiply
    605,021.60x = 907,532.40 × 577,465.40
  4. Step 4: Simplify right side
    605,021.60x = 524,068,560,378.96
  5. Step 5: Solve for x
    x = 524,068,560,378.96/605,021.60
  6. Step 6: Final answer
    x = 866,198.10

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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.