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Finding the Fourth Proportional to 266,844.08, 400,266.08 and 126,526.16

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Solution

The fourth proportional to 266,844.08, 400,266.08 and 126,526.16 is: 189,789.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,844.08 : 400,266.08 = 126,526.16 : x
  2. Step 2: Convert to fraction form
    266,844.08/400,266.08 = 126,526.16/x
  3. Step 3: Cross multiply
    266,844.08x = 400,266.08 × 126,526.16
  4. Step 4: Simplify right side
    266,844.08x = 50,644,130,080.65
  5. Step 5: Solve for x
    x = 50,644,130,080.65/266,844.08
  6. Step 6: Final answer
    x = 189,789.22

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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.