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Finding the Fourth Proportional to 545,148.20, 816,167.10 and 482,940.20

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Solution

The fourth proportional to 545,148.20, 816,167.10 and 482,940.20 is: 723,032.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,148.20 : 816,167.10 = 482,940.20 : x
  2. Step 2: Convert to fraction form
    545,148.20/816,167.10 = 482,940.20/x
  3. Step 3: Cross multiply
    545,148.20x = 816,167.10 × 482,940.20
  4. Step 4: Simplify right side
    545,148.20x = 394,159,902,507.42
  5. Step 5: Solve for x
    x = 394,159,902,507.42/545,148.20
  6. Step 6: Final answer
    x = 723,032.57

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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.