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Finding the Fourth Proportional to 605,141.60, 907,712.40 and 577,585.40

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Solution

The fourth proportional to 605,141.60, 907,712.40 and 577,585.40 is: 866,378.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,141.60 : 907,712.40 = 577,585.40 : x
  2. Step 2: Convert to fraction form
    605,141.60/907,712.40 = 577,585.40/x
  3. Step 3: Cross multiply
    605,141.60x = 907,712.40 × 577,585.40
  4. Step 4: Simplify right side
    605,141.60x = 524,281,429,638.96
  5. Step 5: Solve for x
    x = 524,281,429,638.96/605,141.60
  6. Step 6: Final answer
    x = 866,378.10

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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.