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Finding the Fourth Proportional to 5,363,332.80, 8,042,860.80 and 1,768,099.20

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Solution

The fourth proportional to 5,363,332.80, 8,042,860.80 and 1,768,099.20 is: 2,651,443.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,363,332.80 : 8,042,860.80 = 1,768,099.20 : x
  2. Step 2: Convert to fraction form
    5,363,332.80/8,042,860.80 = 1,768,099.20/x
  3. Step 3: Cross multiply
    5,363,332.80x = 8,042,860.80 × 1,768,099.20
  4. Step 4: Simplify right side
    5,363,332.80x = 14,220,575,746,191.36
  5. Step 5: Solve for x
    x = 14,220,575,746,191.36/5,363,332.80
  6. Step 6: Final answer
    x = 2,651,443.85

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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.