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Finding the Fourth Proportional to 6,363,356.38, 8,781,616.59 and 3,462,934.30

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Solution

The fourth proportional to 6,363,356.38, 8,781,616.59 and 3,462,934.30 is: 4,778,949.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,363,356.38 : 8,781,616.59 = 3,462,934.30 : x
  2. Step 2: Convert to fraction form
    6,363,356.38/8,781,616.59 = 3,462,934.30/x
  3. Step 3: Cross multiply
    6,363,356.38x = 8,781,616.59 × 3,462,934.30
  4. Step 4: Simplify right side
    6,363,356.38x = 30,410,161,264,019.99
  5. Step 5: Solve for x
    x = 30,410,161,264,019.99/6,363,356.38
  6. Step 6: Final answer
    x = 4,778,949.89

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1.5x scale

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.