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Finding the Fourth Proportional to 376,572.60, 564,858.90 and 127,254.60

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Solution

The fourth proportional to 376,572.60, 564,858.90 and 127,254.60 is: 190,881.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,572.60 : 564,858.90 = 127,254.60 : x
  2. Step 2: Convert to fraction form
    376,572.60/564,858.90 = 127,254.60/x
  3. Step 3: Cross multiply
    376,572.60x = 564,858.90 × 127,254.60
  4. Step 4: Simplify right side
    376,572.60x = 71,880,893,375.94
  5. Step 5: Solve for x
    x = 71,880,893,375.94/376,572.60
  6. Step 6: Final answer
    x = 190,881.90

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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.