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Finding the Fourth Proportional to 3,025,230.30, 4,238,471.70 and 3,025,230.30

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Solution

The fourth proportional to 3,025,230.30, 4,238,471.70 and 3,025,230.30 is: 4,238,471.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,025,230.30 : 4,238,471.70 = 3,025,230.30 : x
  2. Step 2: Convert to fraction form
    3,025,230.30/4,238,471.70 = 3,025,230.30/x
  3. Step 3: Cross multiply
    3,025,230.30x = 4,238,471.70 × 3,025,230.30
  4. Step 4: Simplify right side
    3,025,230.30x = 12,822,353,012,532.51
  5. Step 5: Solve for x
    x = 12,822,353,012,532.51/3,025,230.30
  6. Step 6: Final answer
    x = 4,238,471.70

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.