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Finding the Fourth Proportional to 583,768.80, 875,588.40 and 163,087.20

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Solution

The fourth proportional to 583,768.80, 875,588.40 and 163,087.20 is: 244,612.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,768.80 : 875,588.40 = 163,087.20 : x
  2. Step 2: Convert to fraction form
    583,768.80/875,588.40 = 163,087.20/x
  3. Step 3: Cross multiply
    583,768.80x = 875,588.40 × 163,087.20
  4. Step 4: Simplify right side
    583,768.80x = 142,797,260,508.48
  5. Step 5: Solve for x
    x = 142,797,260,508.48/583,768.80
  6. Step 6: Final answer
    x = 244,612.70

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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.