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Finding the Fourth Proportional to 187,230.80, 280,408.80 and 183,472.40

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Solution

The fourth proportional to 187,230.80, 280,408.80 and 183,472.40 is: 274,779.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,230.80 : 280,408.80 = 183,472.40 : x
  2. Step 2: Convert to fraction form
    187,230.80/280,408.80 = 183,472.40/x
  3. Step 3: Cross multiply
    187,230.80x = 280,408.80 × 183,472.40
  4. Step 4: Simplify right side
    187,230.80x = 51,447,275,517.12
  5. Step 5: Solve for x
    x = 51,447,275,517.12/187,230.80
  6. Step 6: Final answer
    x = 274,779.98

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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.