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Finding the Fourth Proportional to 266,999.10, 373,098.90 and 266,999.10

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Solution

The fourth proportional to 266,999.10, 373,098.90 and 266,999.10 is: 373,098.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,999.10 : 373,098.90 = 266,999.10 : x
  2. Step 2: Convert to fraction form
    266,999.10/373,098.90 = 266,999.10/x
  3. Step 3: Cross multiply
    266,999.10x = 373,098.90 × 266,999.10
  4. Step 4: Simplify right side
    266,999.10x = 99,617,070,510.99
  5. Step 5: Solve for x
    x = 99,617,070,510.99/266,999.10
  6. Step 6: Final answer
    x = 373,098.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.