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Finding the Fourth Proportional to 586,387.80, 879,665.55 and 187,033.11

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Solution

The fourth proportional to 586,387.80, 879,665.55 and 187,033.11 is: 280,576.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,387.80 : 879,665.55 = 187,033.11 : x
  2. Step 2: Convert to fraction form
    586,387.80/879,665.55 = 187,033.11/x
  3. Step 3: Cross multiply
    586,387.80x = 879,665.55 × 187,033.11
  4. Step 4: Simplify right side
    586,387.80x = 164,526,583,576.36
  5. Step 5: Solve for x
    x = 164,526,583,576.36/586,387.80
  6. Step 6: Final answer
    x = 280,576.41

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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.