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Finding the Fourth Proportional to 536,822.40, 805,335.20 and 177,013.92

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Solution

The fourth proportional to 536,822.40, 805,335.20 and 177,013.92 is: 265,554.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,822.40 : 805,335.20 = 177,013.92 : x
  2. Step 2: Convert to fraction form
    536,822.40/805,335.20 = 177,013.92/x
  3. Step 3: Cross multiply
    536,822.40x = 805,335.20 × 177,013.92
  4. Step 4: Simplify right side
    536,822.40x = 142,555,540,665.98
  5. Step 5: Solve for x
    x = 142,555,540,665.98/536,822.40
  6. Step 6: Final answer
    x = 265,554.38

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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.