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Finding the Fourth Proportional to 355,332.48, 532,761.60 and 144,913.92

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Solution

The fourth proportional to 355,332.48, 532,761.60 and 144,913.92 is: 217,274.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,332.48 : 532,761.60 = 144,913.92 : x
  2. Step 2: Convert to fraction form
    355,332.48/532,761.60 = 144,913.92/x
  3. Step 3: Cross multiply
    355,332.48x = 532,761.60 × 144,913.92
  4. Step 4: Simplify right side
    355,332.48x = 77,204,571,881.47
  5. Step 5: Solve for x
    x = 77,204,571,881.47/355,332.48
  6. Step 6: Final answer
    x = 217,274.18

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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.