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Finding the Fourth Proportional to 435,589.62, 653,246.19 and 140,032.50

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Solution

The fourth proportional to 435,589.62, 653,246.19 and 140,032.50 is: 210,004.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,589.62 : 653,246.19 = 140,032.50 : x
  2. Step 2: Convert to fraction form
    435,589.62/653,246.19 = 140,032.50/x
  3. Step 3: Cross multiply
    435,589.62x = 653,246.19 × 140,032.50
  4. Step 4: Simplify right side
    435,589.62x = 91,475,697,101.18
  5. Step 5: Solve for x
    x = 91,475,697,101.18/435,589.62
  6. Step 6: Final answer
    x = 210,004.31

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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.