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Finding the Fourth Proportional to 266,883.37, 400,262.17 and 98,312.14

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Solution

The fourth proportional to 266,883.37, 400,262.17 and 98,312.14 is: 147,445.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,883.37 : 400,262.17 = 98,312.14 : x
  2. Step 2: Convert to fraction form
    266,883.37/400,262.17 = 98,312.14/x
  3. Step 3: Cross multiply
    266,883.37x = 400,262.17 × 98,312.14
  4. Step 4: Simplify right side
    266,883.37x = 39,350,628,000.87
  5. Step 5: Solve for x
    x = 39,350,628,000.87/266,883.37
  6. Step 6: Final answer
    x = 147,445.04

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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.