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Finding the Fourth Proportional to 605,241.60, 907,862.40 and 576,211.20

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Solution

The fourth proportional to 605,241.60, 907,862.40 and 576,211.20 is: 864,316.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,241.60 : 907,862.40 = 576,211.20 : x
  2. Step 2: Convert to fraction form
    605,241.60/907,862.40 = 576,211.20/x
  3. Step 3: Cross multiply
    605,241.60x = 907,862.40 × 576,211.20
  4. Step 4: Simplify right side
    605,241.60x = 523,120,482,938.88
  5. Step 5: Solve for x
    x = 523,120,482,938.88/605,241.60
  6. Step 6: Final answer
    x = 864,316.80

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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.