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Finding the Fourth Proportional to 4,964,447.30, 7,446,670.95 and 3,074,879.30

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Solution

The fourth proportional to 4,964,447.30, 7,446,670.95 and 3,074,879.30 is: 4,612,318.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,964,447.30 : 7,446,670.95 = 3,074,879.30 : x
  2. Step 2: Convert to fraction form
    4,964,447.30/7,446,670.95 = 3,074,879.30/x
  3. Step 3: Cross multiply
    4,964,447.30x = 7,446,670.95 × 3,074,879.30
  4. Step 4: Simplify right side
    4,964,447.30x = 22,897,614,358,066.34
  5. Step 5: Solve for x
    x = 22,897,614,358,066.34/4,964,447.30
  6. Step 6: Final answer
    x = 4,612,318.95

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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.