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Finding the Fourth Proportional to 1,799,488.80, 2,697,505.20 and 1,040,551.20

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Solution

The fourth proportional to 1,799,488.80, 2,697,505.20 and 1,040,551.20 is: 1,559,827.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,799,488.80 : 2,697,505.20 = 1,040,551.20 : x
  2. Step 2: Convert to fraction form
    1,799,488.80/2,697,505.20 = 1,040,551.20/x
  3. Step 3: Cross multiply
    1,799,488.80x = 2,697,505.20 × 1,040,551.20
  4. Step 4: Simplify right side
    1,799,488.80x = 2,806,892,272,866.24
  5. Step 5: Solve for x
    x = 2,806,892,272,866.24/1,799,488.80
  6. Step 6: Final answer
    x = 1,559,827.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.