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Finding the Fourth Proportional to 4,895,691.28, 7,343,535.48 and 1,529,898.64

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Solution

The fourth proportional to 4,895,691.28, 7,343,535.48 and 1,529,898.64 is: 2,294,847.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,895,691.28 : 7,343,535.48 = 1,529,898.64 : x
  2. Step 2: Convert to fraction form
    4,895,691.28/7,343,535.48 = 1,529,898.64/x
  3. Step 3: Cross multiply
    4,895,691.28x = 7,343,535.48 × 1,529,898.64
  4. Step 4: Simplify right side
    4,895,691.28x = 11,234,864,943,643.75
  5. Step 5: Solve for x
    x = 11,234,864,943,643.75/4,895,691.28
  6. Step 6: Final answer
    x = 2,294,847.51

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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.