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Finding the Fourth Proportional to 355,393.48, 532,790.36 and 165,753.93

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Solution

The fourth proportional to 355,393.48, 532,790.36 and 165,753.93 is: 248,491.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,393.48 : 532,790.36 = 165,753.93 : x
  2. Step 2: Convert to fraction form
    355,393.48/532,790.36 = 165,753.93/x
  3. Step 3: Cross multiply
    355,393.48x = 532,790.36 × 165,753.93
  4. Step 4: Simplify right side
    355,393.48x = 88,312,094,230.54
  5. Step 5: Solve for x
    x = 88,312,094,230.54/355,393.48
  6. Step 6: Final answer
    x = 248,491.04

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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.