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Finding the Fourth Proportional to 606,358.60, 909,540.60 and 157,047.55

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Solution

The fourth proportional to 606,358.60, 909,540.60 and 157,047.55 is: 235,572.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,358.60 : 909,540.60 = 157,047.55 : x
  2. Step 2: Convert to fraction form
    606,358.60/909,540.60 = 157,047.55/x
  3. Step 3: Cross multiply
    606,358.60x = 909,540.60 × 157,047.55
  4. Step 4: Simplify right side
    606,358.60x = 142,841,122,855.53
  5. Step 5: Solve for x
    x = 142,841,122,855.53/606,358.60
  6. Step 6: Final answer
    x = 235,572.02

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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.