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Finding the Fourth Proportional to 604,627.20, 906,941.48 and 155,351.79

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Solution

The fourth proportional to 604,627.20, 906,941.48 and 155,351.79 is: 233,027.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,627.20 : 906,941.48 = 155,351.79 : x
  2. Step 2: Convert to fraction form
    604,627.20/906,941.48 = 155,351.79/x
  3. Step 3: Cross multiply
    604,627.20x = 906,941.48 × 155,351.79
  4. Step 4: Simplify right side
    604,627.20x = 140,894,981,566.49
  5. Step 5: Solve for x
    x = 140,894,981,566.49/604,627.20
  6. Step 6: Final answer
    x = 233,027.86

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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.