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Finding the Fourth Proportional to 362,521.80, 543,782.70 and 152,310.60

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Solution

The fourth proportional to 362,521.80, 543,782.70 and 152,310.60 is: 228,465.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,521.80 : 543,782.70 = 152,310.60 : x
  2. Step 2: Convert to fraction form
    362,521.80/543,782.70 = 152,310.60/x
  3. Step 3: Cross multiply
    362,521.80x = 543,782.70 × 152,310.60
  4. Step 4: Simplify right side
    362,521.80x = 82,823,869,306.62
  5. Step 5: Solve for x
    x = 82,823,869,306.62/362,521.80
  6. Step 6: Final answer
    x = 228,465.90

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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.