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Finding the Fourth Proportional to 524,959.76, 787,565.04 and 169,974.16

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Solution

The fourth proportional to 524,959.76, 787,565.04 and 169,974.16 is: 255,001.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,959.76 : 787,565.04 = 169,974.16 : x
  2. Step 2: Convert to fraction form
    524,959.76/787,565.04 = 169,974.16/x
  3. Step 3: Cross multiply
    524,959.76x = 787,565.04 × 169,974.16
  4. Step 4: Simplify right side
    524,959.76x = 133,865,706,119.37
  5. Step 5: Solve for x
    x = 133,865,706,119.37/524,959.76
  6. Step 6: Final answer
    x = 255,001.84

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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.