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Finding the Fourth Proportional to 607,763.38, 911,645.73 and 158,483.86

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Solution

The fourth proportional to 607,763.38, 911,645.73 and 158,483.86 is: 237,725.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,763.38 : 911,645.73 = 158,483.86 : x
  2. Step 2: Convert to fraction form
    607,763.38/911,645.73 = 158,483.86/x
  3. Step 3: Cross multiply
    607,763.38x = 911,645.73 × 158,483.86
  4. Step 4: Simplify right side
    607,763.38x = 144,481,134,242.92
  5. Step 5: Solve for x
    x = 144,481,134,242.92/607,763.38
  6. Step 6: Final answer
    x = 237,725.96

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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.