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Finding the Fourth Proportional to 370,788.72, 555,754.68 and 170,689.56

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Solution

The fourth proportional to 370,788.72, 555,754.68 and 170,689.56 is: 255,837.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,788.72 : 555,754.68 = 170,689.56 : x
  2. Step 2: Convert to fraction form
    370,788.72/555,754.68 = 170,689.56/x
  3. Step 3: Cross multiply
    370,788.72x = 555,754.68 × 170,689.56
  4. Step 4: Simplify right side
    370,788.72x = 94,861,521,797.14
  5. Step 5: Solve for x
    x = 94,861,521,797.14/370,788.72
  6. Step 6: Final answer
    x = 255,837.13

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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.