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Finding the Fourth Proportional to 583,120.38, 874,694.42 and 156,656.75

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Solution

The fourth proportional to 583,120.38, 874,694.42 and 156,656.75 is: 234,988.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,120.38 : 874,694.42 = 156,656.75 : x
  2. Step 2: Convert to fraction form
    583,120.38/874,694.42 = 156,656.75/x
  3. Step 3: Cross multiply
    583,120.38x = 874,694.42 × 156,656.75
  4. Step 4: Simplify right side
    583,120.38x = 137,026,779,923.58
  5. Step 5: Solve for x
    x = 137,026,779,923.58/583,120.38
  6. Step 6: Final answer
    x = 234,988.84

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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.