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Finding the Fourth Proportional to 1,803,202, 2,488,496.52 and 998,386

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Solution

The fourth proportional to 1,803,202, 2,488,496.52 and 998,386 is: 1,377,815.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,803,202 : 2,488,496.52 = 998,386 : x
  2. Step 2: Convert to fraction form
    1,803,202/2,488,496.52 = 998,386/x
  3. Step 3: Cross multiply
    1,803,202x = 2,488,496.52 × 998,386
  4. Step 4: Simplify right side
    1,803,202x = 2,484,480,086,616.72
  5. Step 5: Solve for x
    x = 2,484,480,086,616.72/1,803,202
  6. Step 6: Final answer
    x = 1,377,815.73

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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.