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Finding the Fourth Proportional to 362,417.80, 543,108.30 and 266,902.60

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Solution

The fourth proportional to 362,417.80, 543,108.30 and 266,902.60 is: 399,972.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,417.80 : 543,108.30 = 266,902.60 : x
  2. Step 2: Convert to fraction form
    362,417.80/543,108.30 = 266,902.60/x
  3. Step 3: Cross multiply
    362,417.80x = 543,108.30 × 266,902.60
  4. Step 4: Simplify right side
    362,417.80x = 144,957,017,351.58
  5. Step 5: Solve for x
    x = 144,957,017,351.58/362,417.80
  6. Step 6: Final answer
    x = 399,972.12

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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.