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Finding the Fourth Proportional to 389,502.56, 584,253.83 and 94,014.56

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Solution

The fourth proportional to 389,502.56, 584,253.83 and 94,014.56 is: 141,021.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,502.56 : 584,253.83 = 94,014.56 : x
  2. Step 2: Convert to fraction form
    389,502.56/584,253.83 = 94,014.56/x
  3. Step 3: Cross multiply
    389,502.56x = 584,253.83 × 94,014.56
  4. Step 4: Simplify right side
    389,502.56x = 54,928,363,364.42
  5. Step 5: Solve for x
    x = 54,928,363,364.42/389,502.56
  6. Step 6: Final answer
    x = 141,021.83

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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.