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Finding the Fourth Proportional to 586,548.76, 879,863.08 and 187,219.60

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Solution

The fourth proportional to 586,548.76, 879,863.08 and 187,219.60 is: 280,842.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,548.76 : 879,863.08 = 187,219.60 : x
  2. Step 2: Convert to fraction form
    586,548.76/879,863.08 = 187,219.60/x
  3. Step 3: Cross multiply
    586,548.76x = 879,863.08 × 187,219.60
  4. Step 4: Simplify right side
    586,548.76x = 164,727,613,892.37
  5. Step 5: Solve for x
    x = 164,727,613,892.37/586,548.76
  6. Step 6: Final answer
    x = 280,842.15

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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.