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Finding the Fourth Proportional to 437,765.47, 604,210.28 and 276,517.96

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Solution

The fourth proportional to 437,765.47, 604,210.28 and 276,517.96 is: 381,654.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,765.47 : 604,210.28 = 276,517.96 : x
  2. Step 2: Convert to fraction form
    437,765.47/604,210.28 = 276,517.96/x
  3. Step 3: Cross multiply
    437,765.47x = 604,210.28 × 276,517.96
  4. Step 4: Simplify right side
    437,765.47x = 167,074,992,180.46
  5. Step 5: Solve for x
    x = 167,074,992,180.46/437,765.47
  6. Step 6: Final answer
    x = 381,654.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.