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Finding the Fourth Proportional to 1,769,815.52, 2,442,347.84 and 964,999.52

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Solution

The fourth proportional to 1,769,815.52, 2,442,347.84 and 964,999.52 is: 1,331,700.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,769,815.52 : 2,442,347.84 = 964,999.52 : x
  2. Step 2: Convert to fraction form
    1,769,815.52/2,442,347.84 = 964,999.52/x
  3. Step 3: Cross multiply
    1,769,815.52x = 2,442,347.84 × 964,999.52
  4. Step 4: Simplify right side
    1,769,815.52x = 2,356,864,493,273.04
  5. Step 5: Solve for x
    x = 2,356,864,493,273.04/1,769,815.52
  6. Step 6: Final answer
    x = 1,331,700.66

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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.