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Finding the Fourth Proportional to 583,896.80, 875,780.40 and 163,215.20

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Solution

The fourth proportional to 583,896.80, 875,780.40 and 163,215.20 is: 244,804.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,896.80 : 875,780.40 = 163,215.20 : x
  2. Step 2: Convert to fraction form
    583,896.80/875,780.40 = 163,215.20/x
  3. Step 3: Cross multiply
    583,896.80x = 875,780.40 × 163,215.20
  4. Step 4: Simplify right side
    583,896.80x = 142,940,673,142.08
  5. Step 5: Solve for x
    x = 142,940,673,142.08/583,896.80
  6. Step 6: Final answer
    x = 244,804.69

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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.