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Finding the Fourth Proportional to 606,293.30, 909,443.10 and 156,982.70

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Solution

The fourth proportional to 606,293.30, 909,443.10 and 156,982.70 is: 235,474.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,293.30 : 909,443.10 = 156,982.70 : x
  2. Step 2: Convert to fraction form
    606,293.30/909,443.10 = 156,982.70/x
  3. Step 3: Cross multiply
    606,293.30x = 909,443.10 × 156,982.70
  4. Step 4: Simplify right side
    606,293.30x = 142,766,833,334.37
  5. Step 5: Solve for x
    x = 142,766,833,334.37/606,293.30
  6. Step 6: Final answer
    x = 235,474.87

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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.