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Finding the Fourth Proportional to 585,987.68, 878,690.72 and 186,576.42

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Solution

The fourth proportional to 585,987.68, 878,690.72 and 186,576.42 is: 279,772.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,987.68 : 878,690.72 = 186,576.42 : x
  2. Step 2: Convert to fraction form
    585,987.68/878,690.72 = 186,576.42/x
  3. Step 3: Cross multiply
    585,987.68x = 878,690.72 × 186,576.42
  4. Step 4: Simplify right side
    585,987.68x = 163,942,968,824.82
  5. Step 5: Solve for x
    x = 163,942,968,824.82/585,987.68
  6. Step 6: Final answer
    x = 279,772.04

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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.