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Finding the Fourth Proportional to 1,248,947.76, 1,873,418.88 and 965,051.04

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Solution

The fourth proportional to 1,248,947.76, 1,873,418.88 and 965,051.04 is: 1,447,574.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,248,947.76 : 1,873,418.88 = 965,051.04 : x
  2. Step 2: Convert to fraction form
    1,248,947.76/1,873,418.88 = 965,051.04/x
  3. Step 3: Cross multiply
    1,248,947.76x = 1,873,418.88 × 965,051.04
  4. Step 4: Simplify right side
    1,248,947.76x = 1,807,944,838,499.64
  5. Step 5: Solve for x
    x = 1,807,944,838,499.64/1,248,947.76
  6. Step 6: Final answer
    x = 1,447,574.43

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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.