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Finding the Fourth Proportional to 361,664.33, 542,385.74 and 250,061.72

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Solution

The fourth proportional to 361,664.33, 542,385.74 and 250,061.72 is: 375,016.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,664.33 : 542,385.74 = 250,061.72 : x
  2. Step 2: Convert to fraction form
    361,664.33/542,385.74 = 250,061.72/x
  3. Step 3: Cross multiply
    361,664.33x = 542,385.74 × 250,061.72
  4. Step 4: Simplify right side
    361,664.33x = 135,629,911,047.87
  5. Step 5: Solve for x
    x = 135,629,911,047.87/361,664.33
  6. Step 6: Final answer
    x = 375,016.00

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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.