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Finding the Fourth Proportional to 266,952.72, 368,476.76 and 153,850.80

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Solution

The fourth proportional to 266,952.72, 368,476.76 and 153,850.80 is: 212,361.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,952.72 : 368,476.76 = 153,850.80 : x
  2. Step 2: Convert to fraction form
    266,952.72/368,476.76 = 153,850.80/x
  3. Step 3: Cross multiply
    266,952.72x = 368,476.76 × 153,850.80
  4. Step 4: Simplify right side
    266,952.72x = 56,690,444,307.41
  5. Step 5: Solve for x
    x = 56,690,444,307.41/266,952.72
  6. Step 6: Final answer
    x = 212,361.37

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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.