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Finding the Fourth Proportional to 1,976,624.67, 2,964,962.98 and 537,379.11

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Solution

The fourth proportional to 1,976,624.67, 2,964,962.98 and 537,379.11 is: 806,075.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,976,624.67 : 2,964,962.98 = 537,379.11 : x
  2. Step 2: Convert to fraction form
    1,976,624.67/2,964,962.98 = 537,379.11/x
  3. Step 3: Cross multiply
    1,976,624.67x = 2,964,962.98 × 537,379.11
  4. Step 4: Simplify right side
    1,976,624.67x = 1,593,309,167,375.35
  5. Step 5: Solve for x
    x = 1,593,309,167,375.35/1,976,624.67
  6. Step 6: Final answer
    x = 806,075.73

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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.