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Finding the Fourth Proportional to 1,449,508.64, 2,000,336 and 845,780

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Solution

The fourth proportional to 1,449,508.64, 2,000,336 and 845,780 is: 1,167,184.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,449,508.64 : 2,000,336 = 845,780 : x
  2. Step 2: Convert to fraction form
    1,449,508.64/2,000,336 = 845,780/x
  3. Step 3: Cross multiply
    1,449,508.64x = 2,000,336 × 845,780
  4. Step 4: Simplify right side
    1,449,508.64x = 1,691,844,182,080
  5. Step 5: Solve for x
    x = 1,691,844,182,080/1,449,508.64
  6. Step 6: Final answer
    x = 1,167,184.61

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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.