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Finding the Fourth Proportional to 1,868,761, 2,803,609.68 and 539,065

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Solution

The fourth proportional to 1,868,761, 2,803,609.68 and 539,065 is: 808,732.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,868,761 : 2,803,609.68 = 539,065 : x
  2. Step 2: Convert to fraction form
    1,868,761/2,803,609.68 = 539,065/x
  3. Step 3: Cross multiply
    1,868,761x = 2,803,609.68 × 539,065
  4. Step 4: Simplify right side
    1,868,761x = 1,511,327,852,149.20
  5. Step 5: Solve for x
    x = 1,511,327,852,149.20/1,868,761
  6. Step 6: Final answer
    x = 808,732.55

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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.