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Finding the Fourth Proportional to 345,820.50, 477,625.95 and 232,446.42

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Solution

The fourth proportional to 345,820.50, 477,625.95 and 232,446.42 is: 321,040.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,820.50 : 477,625.95 = 232,446.42 : x
  2. Step 2: Convert to fraction form
    345,820.50/477,625.95 = 232,446.42/x
  3. Step 3: Cross multiply
    345,820.50x = 477,625.95 × 232,446.42
  4. Step 4: Simplify right side
    345,820.50x = 111,022,442,176.60
  5. Step 5: Solve for x
    x = 111,022,442,176.60/345,820.50
  6. Step 6: Final answer
    x = 321,040.66

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1.5x scale

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.