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Finding the Fourth Proportional to 358,400.54, 537,932.91 and 181,031.87

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Solution

The fourth proportional to 358,400.54, 537,932.91 and 181,031.87 is: 271,715.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,400.54 : 537,932.91 = 181,031.87 : x
  2. Step 2: Convert to fraction form
    358,400.54/537,932.91 = 181,031.87/x
  3. Step 3: Cross multiply
    358,400.54x = 537,932.91 × 181,031.87
  4. Step 4: Simplify right side
    358,400.54x = 97,383,000,631.84
  5. Step 5: Solve for x
    x = 97,383,000,631.84/358,400.54
  6. Step 6: Final answer
    x = 271,715.55

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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.