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Finding the Fourth Proportional to 389,335.98, 584,000.52 and 123,096.68

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Solution

The fourth proportional to 389,335.98, 584,000.52 and 123,096.68 is: 184,643.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,335.98 : 584,000.52 = 123,096.68 : x
  2. Step 2: Convert to fraction form
    389,335.98/584,000.52 = 123,096.68/x
  3. Step 3: Cross multiply
    389,335.98x = 584,000.52 × 123,096.68
  4. Step 4: Simplify right side
    389,335.98x = 71,888,522,210.27
  5. Step 5: Solve for x
    x = 71,888,522,210.27/389,335.98
  6. Step 6: Final answer
    x = 184,643.92

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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.