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Finding the Fourth Proportional to 266,865.50, 368,361.88 and 191,632.70

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Solution

The fourth proportional to 266,865.50, 368,361.88 and 191,632.70 is: 264,515.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,865.50 : 368,361.88 = 191,632.70 : x
  2. Step 2: Convert to fraction form
    266,865.50/368,361.88 = 191,632.70/x
  3. Step 3: Cross multiply
    266,865.50x = 368,361.88 × 191,632.70
  4. Step 4: Simplify right side
    266,865.50x = 70,590,181,641.48
  5. Step 5: Solve for x
    x = 70,590,181,641.48/266,865.50
  6. Step 6: Final answer
    x = 264,515.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.