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Finding the Fourth Proportional to 472,876.60, 709,190.10 and 236,044.60

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Solution

The fourth proportional to 472,876.60, 709,190.10 and 236,044.60 is: 354,004.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,876.60 : 709,190.10 = 236,044.60 : x
  2. Step 2: Convert to fraction form
    472,876.60/709,190.10 = 236,044.60/x
  3. Step 3: Cross multiply
    472,876.60x = 709,190.10 × 236,044.60
  4. Step 4: Simplify right side
    472,876.60x = 167,400,493,478.46
  5. Step 5: Solve for x
    x = 167,400,493,478.46/472,876.60
  6. Step 6: Final answer
    x = 354,004.60

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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.