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Finding the Fourth Proportional to 1,335,630.80, 1,843,167 and 723,800.48

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Solution

The fourth proportional to 1,335,630.80, 1,843,167 and 723,800.48 is: 998,842.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,335,630.80 : 1,843,167 = 723,800.48 : x
  2. Step 2: Convert to fraction form
    1,335,630.80/1,843,167 = 723,800.48/x
  3. Step 3: Cross multiply
    1,335,630.80x = 1,843,167 × 723,800.48
  4. Step 4: Simplify right side
    1,335,630.80x = 1,334,085,159,320.16
  5. Step 5: Solve for x
    x = 1,334,085,159,320.16/1,335,630.80
  6. Step 6: Final answer
    x = 998,842.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.