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Finding the Fourth Proportional to 481,472.94, 664,432.59 and 266,613.03

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Solution

The fourth proportional to 481,472.94, 664,432.59 and 266,613.03 is: 367,925.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,472.94 : 664,432.59 = 266,613.03 : x
  2. Step 2: Convert to fraction form
    481,472.94/664,432.59 = 266,613.03/x
  3. Step 3: Cross multiply
    481,472.94x = 664,432.59 × 266,613.03
  4. Step 4: Simplify right side
    481,472.94x = 177,146,386,050.65
  5. Step 5: Solve for x
    x = 177,146,386,050.65/481,472.94
  6. Step 6: Final answer
    x = 367,925.94

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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.