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Finding the Fourth Proportional to 370,979.26, 556,404.28 and 171,282.62

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Solution

The fourth proportional to 370,979.26, 556,404.28 and 171,282.62 is: 256,894.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,979.26 : 556,404.28 = 171,282.62 : x
  2. Step 2: Convert to fraction form
    370,979.26/556,404.28 = 171,282.62/x
  3. Step 3: Cross multiply
    370,979.26x = 556,404.28 × 171,282.62
  4. Step 4: Simplify right side
    370,979.26x = 95,302,382,857.61
  5. Step 5: Solve for x
    x = 95,302,382,857.61/370,979.26
  6. Step 6: Final answer
    x = 256,894.10

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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.