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Finding the Fourth Proportional to 473,217.62, 653,041.80 and 303,452.42

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Solution

The fourth proportional to 473,217.62, 653,041.80 and 303,452.42 is: 418,765.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,217.62 : 653,041.80 = 303,452.42 : x
  2. Step 2: Convert to fraction form
    473,217.62/653,041.80 = 303,452.42/x
  3. Step 3: Cross multiply
    473,217.62x = 653,041.80 × 303,452.42
  4. Step 4: Simplify right side
    473,217.62x = 198,167,114,571.16
  5. Step 5: Solve for x
    x = 198,167,114,571.16/473,217.62
  6. Step 6: Final answer
    x = 418,765.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.