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Finding the Fourth Proportional to 356,335.47, 534,581.03 and 119,671.97

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Solution

The fourth proportional to 356,335.47, 534,581.03 and 119,671.97 is: 179,534.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,335.47 : 534,581.03 = 119,671.97 : x
  2. Step 2: Convert to fraction form
    356,335.47/534,581.03 = 119,671.97/x
  3. Step 3: Cross multiply
    356,335.47x = 534,581.03 × 119,671.97
  4. Step 4: Simplify right side
    356,335.47x = 63,974,362,611.00
  5. Step 5: Solve for x
    x = 63,974,362,611.00/356,335.47
  6. Step 6: Final answer
    x = 179,534.09

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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.