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Finding the Fourth Proportional to 606,407.60, 909,614.10 and 157,096.55

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Solution

The fourth proportional to 606,407.60, 909,614.10 and 157,096.55 is: 235,645.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,407.60 : 909,614.10 = 157,096.55 : x
  2. Step 2: Convert to fraction form
    606,407.60/909,614.10 = 157,096.55/x
  3. Step 3: Cross multiply
    606,407.60x = 909,614.10 × 157,096.55
  4. Step 4: Simplify right side
    606,407.60x = 142,897,236,941.36
  5. Step 5: Solve for x
    x = 142,897,236,941.36/606,407.60
  6. Step 6: Final answer
    x = 235,645.52

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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.