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Finding the Fourth Proportional to 376,583.80, 564,875.70 and 127,262.20

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Solution

The fourth proportional to 376,583.80, 564,875.70 and 127,262.20 is: 190,893.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,583.80 : 564,875.70 = 127,262.20 : x
  2. Step 2: Convert to fraction form
    376,583.80/564,875.70 = 127,262.20/x
  3. Step 3: Cross multiply
    376,583.80x = 564,875.70 × 127,262.20
  4. Step 4: Simplify right side
    376,583.80x = 71,887,324,308.54
  5. Step 5: Solve for x
    x = 71,887,324,308.54/376,583.80
  6. Step 6: Final answer
    x = 190,893.30

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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.