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Finding the Fourth Proportional to 586,182.14, 878,682.45 and 231,058.70

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Solution

The fourth proportional to 586,182.14, 878,682.45 and 231,058.70 is: 346,355.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,182.14 : 878,682.45 = 231,058.70 : x
  2. Step 2: Convert to fraction form
    586,182.14/878,682.45 = 231,058.70/x
  3. Step 3: Cross multiply
    586,182.14x = 878,682.45 × 231,058.70
  4. Step 4: Simplify right side
    586,182.14x = 203,027,224,609.82
  5. Step 5: Solve for x
    x = 203,027,224,609.82/586,182.14
  6. Step 6: Final answer
    x = 346,355.19

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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.