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Finding the Fourth Proportional to 266,047.36, 366,846.24 and 217,499.20

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Solution

The fourth proportional to 266,047.36, 366,846.24 and 217,499.20 is: 299,904.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,047.36 : 366,846.24 = 217,499.20 : x
  2. Step 2: Convert to fraction form
    266,047.36/366,846.24 = 217,499.20/x
  3. Step 3: Cross multiply
    266,047.36x = 366,846.24 × 217,499.20
  4. Step 4: Simplify right side
    266,047.36x = 79,788,763,723.01
  5. Step 5: Solve for x
    x = 79,788,763,723.01/266,047.36
  6. Step 6: Final answer
    x = 299,904.36

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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.