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Finding the Fourth Proportional to 266,117.70, 399,176.55 and 246,872.10

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Solution

The fourth proportional to 266,117.70, 399,176.55 and 246,872.10 is: 370,308.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,117.70 : 399,176.55 = 246,872.10 : x
  2. Step 2: Convert to fraction form
    266,117.70/399,176.55 = 246,872.10/x
  3. Step 3: Cross multiply
    266,117.70x = 399,176.55 × 246,872.10
  4. Step 4: Simplify right side
    266,117.70x = 98,545,553,169.26
  5. Step 5: Solve for x
    x = 98,545,553,169.26/266,117.70
  6. Step 6: Final answer
    x = 370,308.15

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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.