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Finding the Fourth Proportional to 342,530.28, 473,143.56 and 262,941.30

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Solution

The fourth proportional to 342,530.28, 473,143.56 and 262,941.30 is: 363,205.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,530.28 : 473,143.56 = 262,941.30 : x
  2. Step 2: Convert to fraction form
    342,530.28/473,143.56 = 262,941.30/x
  3. Step 3: Cross multiply
    342,530.28x = 473,143.56 × 262,941.30
  4. Step 4: Simplify right side
    342,530.28x = 124,408,982,753.03
  5. Step 5: Solve for x
    x = 124,408,982,753.03/342,530.28
  6. Step 6: Final answer
    x = 363,205.80

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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.