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Finding the Fourth Proportional to 1,803,432, 2,488,736.16 and 998,616

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Solution

The fourth proportional to 1,803,432, 2,488,736.16 and 998,616 is: 1,378,090.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,803,432 : 2,488,736.16 = 998,616 : x
  2. Step 2: Convert to fraction form
    1,803,432/2,488,736.16 = 998,616/x
  3. Step 3: Cross multiply
    1,803,432x = 2,488,736.16 × 998,616
  4. Step 4: Simplify right side
    1,803,432x = 2,485,291,749,154.56
  5. Step 5: Solve for x
    x = 2,485,291,749,154.56/1,803,432
  6. Step 6: Final answer
    x = 1,378,090.08

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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.