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Finding the Fourth Proportional to 362,230.80, 542,827.80 and 266,715.60

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Solution

The fourth proportional to 362,230.80, 542,827.80 and 266,715.60 is: 399,691.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,230.80 : 542,827.80 = 266,715.60 : x
  2. Step 2: Convert to fraction form
    362,230.80/542,827.80 = 266,715.60/x
  3. Step 3: Cross multiply
    362,230.80x = 542,827.80 × 266,715.60
  4. Step 4: Simplify right side
    362,230.80x = 144,780,642,373.68
  5. Step 5: Solve for x
    x = 144,780,642,373.68/362,230.80
  6. Step 6: Final answer
    x = 399,691.69

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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.