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Finding the Fourth Proportional to 362,291.10, 543,436.65 and 228,738.30

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Solution

The fourth proportional to 362,291.10, 543,436.65 and 228,738.30 is: 343,107.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,291.10 : 543,436.65 = 228,738.30 : x
  2. Step 2: Convert to fraction form
    362,291.10/543,436.65 = 228,738.30/x
  3. Step 3: Cross multiply
    362,291.10x = 543,436.65 × 228,738.30
  4. Step 4: Simplify right side
    362,291.10x = 124,304,775,478.70
  5. Step 5: Solve for x
    x = 124,304,775,478.70/362,291.10
  6. Step 6: Final answer
    x = 343,107.45

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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.