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Finding the Fourth Proportional to 3,289,338.48, 4,934,471.55 and 1,015,048.02

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Solution

The fourth proportional to 3,289,338.48, 4,934,471.55 and 1,015,048.02 is: 1,522,715.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,289,338.48 : 4,934,471.55 = 1,015,048.02 : x
  2. Step 2: Convert to fraction form
    3,289,338.48/4,934,471.55 = 1,015,048.02/x
  3. Step 3: Cross multiply
    3,289,338.48x = 4,934,471.55 × 1,015,048.02
  4. Step 4: Simplify right side
    3,289,338.48x = 5,008,725,576,573.83
  5. Step 5: Solve for x
    x = 5,008,725,576,573.83/3,289,338.48
  6. Step 6: Final answer
    x = 1,522,715.16

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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.