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Finding the Fourth Proportional to 417,023.69, 625,535.54 and 360,696.48

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Solution

The fourth proportional to 417,023.69, 625,535.54 and 360,696.48 is: 541,044.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,023.69 : 625,535.54 = 360,696.48 : x
  2. Step 2: Convert to fraction form
    417,023.69/625,535.54 = 360,696.48/x
  3. Step 3: Cross multiply
    417,023.69x = 625,535.54 × 360,696.48
  4. Step 4: Simplify right side
    417,023.69x = 225,628,466,220.79
  5. Step 5: Solve for x
    x = 225,628,466,220.79/417,023.69
  6. Step 6: Final answer
    x = 541,044.72

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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.