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Finding the Fourth Proportional to 361,471.17, 542,355.63 and 158,963.17

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Solution

The fourth proportional to 361,471.17, 542,355.63 and 158,963.17 is: 238,510.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,471.17 : 542,355.63 = 158,963.17 : x
  2. Step 2: Convert to fraction form
    361,471.17/542,355.63 = 158,963.17/x
  3. Step 3: Cross multiply
    361,471.17x = 542,355.63 × 158,963.17
  4. Step 4: Simplify right side
    361,471.17x = 86,214,570,212.15
  5. Step 5: Solve for x
    x = 86,214,570,212.15/361,471.17
  6. Step 6: Final answer
    x = 238,510.23

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1.5x scale

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.