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Finding the Fourth Proportional to 555,458, 833,329.08 and 161,474

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Solution

The fourth proportional to 555,458, 833,329.08 and 161,474 is: 242,252.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,458 : 833,329.08 = 161,474 : x
  2. Step 2: Convert to fraction form
    555,458/833,329.08 = 161,474/x
  3. Step 3: Cross multiply
    555,458x = 833,329.08 × 161,474
  4. Step 4: Simplify right side
    555,458x = 134,560,979,863.92
  5. Step 5: Solve for x
    x = 134,560,979,863.92/555,458
  6. Step 6: Final answer
    x = 242,252.30

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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.