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Finding the Fourth Proportional to 355,126.52, 532,944.62 and 240,989.72

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Solution

The fourth proportional to 355,126.52, 532,944.62 and 240,989.72 is: 361,657.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,126.52 : 532,944.62 = 240,989.72 : x
  2. Step 2: Convert to fraction form
    355,126.52/532,944.62 = 240,989.72/x
  3. Step 3: Cross multiply
    355,126.52x = 532,944.62 × 240,989.72
  4. Step 4: Simplify right side
    355,126.52x = 128,434,174,749.31
  5. Step 5: Solve for x
    x = 128,434,174,749.31/355,126.52
  6. Step 6: Final answer
    x = 361,657.52

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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.