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Finding the Fourth Proportional to 586,737.88, 879,965.90 and 270,891.32

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Solution

The fourth proportional to 586,737.88, 879,965.90 and 270,891.32 is: 406,271.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,737.88 : 879,965.90 = 270,891.32 : x
  2. Step 2: Convert to fraction form
    586,737.88/879,965.90 = 270,891.32/x
  3. Step 3: Cross multiply
    586,737.88x = 879,965.90 × 270,891.32
  4. Step 4: Simplify right side
    586,737.88x = 238,375,124,205.99
  5. Step 5: Solve for x
    x = 238,375,124,205.99/586,737.88
  6. Step 6: Final answer
    x = 406,271.92

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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.