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Finding the Fourth Proportional to 586,544.76, 879,857.08 and 187,215.59

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Solution

The fourth proportional to 586,544.76, 879,857.08 and 187,215.59 is: 280,836.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,544.76 : 879,857.08 = 187,215.59 : x
  2. Step 2: Convert to fraction form
    586,544.76/879,857.08 = 187,215.59/x
  3. Step 3: Cross multiply
    586,544.76x = 879,857.08 × 187,215.59
  4. Step 4: Simplify right side
    586,544.76x = 164,722,964,079.48
  5. Step 5: Solve for x
    x = 164,722,964,079.48/586,544.76
  6. Step 6: Final answer
    x = 280,836.14

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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.