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Finding the Fourth Proportional to 389,502.61, 584,253.92 and 94,014.61

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Solution

The fourth proportional to 389,502.61, 584,253.92 and 94,014.61 is: 141,021.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,502.61 : 584,253.92 = 94,014.61 : x
  2. Step 2: Convert to fraction form
    389,502.61/584,253.92 = 94,014.61/x
  3. Step 3: Cross multiply
    389,502.61x = 584,253.92 × 94,014.61
  4. Step 4: Simplify right side
    389,502.61x = 54,928,404,429.77
  5. Step 5: Solve for x
    x = 54,928,404,429.77/389,502.61
  6. Step 6: Final answer
    x = 141,021.92

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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.