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Finding the Fourth Proportional to 586,063.62, 879,228 and 186,727.14

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Solution

The fourth proportional to 586,063.62, 879,228 and 186,727.14 is: 280,132.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,063.62 : 879,228 = 186,727.14 : x
  2. Step 2: Convert to fraction form
    586,063.62/879,228 = 186,727.14/x
  3. Step 3: Cross multiply
    586,063.62x = 879,228 × 186,727.14
  4. Step 4: Simplify right side
    586,063.62x = 164,175,729,847.92
  5. Step 5: Solve for x
    x = 164,175,729,847.92/586,063.62
  6. Step 6: Final answer
    x = 280,132.95

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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.