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Finding the Fourth Proportional to 290,594.52, 435,867.01 and 101,006.21

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Solution

The fourth proportional to 290,594.52, 435,867.01 and 101,006.21 is: 151,500.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,594.52 : 435,867.01 = 101,006.21 : x
  2. Step 2: Convert to fraction form
    290,594.52/435,867.01 = 101,006.21/x
  3. Step 3: Cross multiply
    290,594.52x = 435,867.01 × 101,006.21
  4. Step 4: Simplify right side
    290,594.52x = 44,025,275,581.28
  5. Step 5: Solve for x
    x = 44,025,275,581.28/290,594.52
  6. Step 6: Final answer
    x = 151,500.71

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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.