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Finding the Fourth Proportional to 466,612.90, 698,607.15 and 419,373.70

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Solution

The fourth proportional to 466,612.90, 698,607.15 and 419,373.70 is: 627,881.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,612.90 : 698,607.15 = 419,373.70 : x
  2. Step 2: Convert to fraction form
    466,612.90/698,607.15 = 419,373.70/x
  3. Step 3: Cross multiply
    466,612.90x = 698,607.15 × 419,373.70
  4. Step 4: Simplify right side
    466,612.90x = 292,977,465,341.96
  5. Step 5: Solve for x
    x = 292,977,465,341.96/466,612.90
  6. Step 6: Final answer
    x = 627,881.20

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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.