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Finding the Fourth Proportional to 377,591.40, 566,387.10 and 346,098.60

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Solution

The fourth proportional to 377,591.40, 566,387.10 and 346,098.60 is: 519,147.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,591.40 : 566,387.10 = 346,098.60 : x
  2. Step 2: Convert to fraction form
    377,591.40/566,387.10 = 346,098.60/x
  3. Step 3: Cross multiply
    377,591.40x = 566,387.10 × 346,098.60
  4. Step 4: Simplify right side
    377,591.40x = 196,025,782,368.06
  5. Step 5: Solve for x
    x = 196,025,782,368.06/377,591.40
  6. Step 6: Final answer
    x = 519,147.90

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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.