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Finding the Fourth Proportional to 481,490.72, 722,148.54 and 144,452.12

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Solution

The fourth proportional to 481,490.72, 722,148.54 and 144,452.12 is: 216,651.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,490.72 : 722,148.54 = 144,452.12 : x
  2. Step 2: Convert to fraction form
    481,490.72/722,148.54 = 144,452.12/x
  3. Step 3: Cross multiply
    481,490.72x = 722,148.54 × 144,452.12
  4. Step 4: Simplify right side
    481,490.72x = 104,315,887,557.91
  5. Step 5: Solve for x
    x = 104,315,887,557.91/481,490.72
  6. Step 6: Final answer
    x = 216,651.92

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1.5x scale

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.