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Finding the Fourth Proportional to 547,452.01, 820,032.89 and 440,255.53

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Solution

The fourth proportional to 547,452.01, 820,032.89 and 440,255.53 is: 659,462.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,452.01 : 820,032.89 = 440,255.53 : x
  2. Step 2: Convert to fraction form
    547,452.01/820,032.89 = 440,255.53/x
  3. Step 3: Cross multiply
    547,452.01x = 820,032.89 × 440,255.53
  4. Step 4: Simplify right side
    547,452.01x = 361,024,010,504.22
  5. Step 5: Solve for x
    x = 361,024,010,504.22/547,452.01
  6. Step 6: Final answer
    x = 659,462.40

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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.