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Finding the Fourth Proportional to 1,803,182, 2,488,468.92 and 998,366

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Solution

The fourth proportional to 1,803,182, 2,488,468.92 and 998,366 is: 1,377,788.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,803,182 : 2,488,468.92 = 998,366 : x
  2. Step 2: Convert to fraction form
    1,803,182/2,488,468.92 = 998,366/x
  3. Step 3: Cross multiply
    1,803,182x = 2,488,468.92 × 998,366
  4. Step 4: Simplify right side
    1,803,182x = 2,484,402,761,784.72
  5. Step 5: Solve for x
    x = 2,484,402,761,784.72/1,803,182
  6. Step 6: Final answer
    x = 1,377,788.13

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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.