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Finding the Fourth Proportional to 586,498.41, 879,732.23 and 187,163.55

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Solution

The fourth proportional to 586,498.41, 879,732.23 and 187,163.55 is: 280,740.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,498.41 : 879,732.23 = 187,163.55 : x
  2. Step 2: Convert to fraction form
    586,498.41/879,732.23 = 187,163.55/x
  3. Step 3: Cross multiply
    586,498.41x = 879,732.23 × 187,163.55
  4. Step 4: Simplify right side
    586,498.41x = 164,653,806,280.40
  5. Step 5: Solve for x
    x = 164,653,806,280.40/586,498.41
  6. Step 6: Final answer
    x = 280,740.41

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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.