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Finding the Fourth Proportional to 1,787,966.52, 2,467,393.80 and 983,150.52

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Solution

The fourth proportional to 1,787,966.52, 2,467,393.80 and 983,150.52 is: 1,356,747.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,787,966.52 : 2,467,393.80 = 983,150.52 : x
  2. Step 2: Convert to fraction form
    1,787,966.52/2,467,393.80 = 983,150.52/x
  3. Step 3: Cross multiply
    1,787,966.52x = 2,467,393.80 × 983,150.52
  4. Step 4: Simplify right side
    1,787,966.52x = 2,425,819,497,514.78
  5. Step 5: Solve for x
    x = 2,425,819,497,514.78/1,787,966.52
  6. Step 6: Final answer
    x = 1,356,747.72

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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.