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Finding the Fourth Proportional to 332,678.34, 499,017.00 and 133,045.53

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Solution

The fourth proportional to 332,678.34, 499,017.00 and 133,045.53 is: 199,568.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,678.34 : 499,017.00 = 133,045.53 : x
  2. Step 2: Convert to fraction form
    332,678.34/499,017.00 = 133,045.53/x
  3. Step 3: Cross multiply
    332,678.34x = 499,017.00 × 133,045.53
  4. Step 4: Simplify right side
    332,678.34x = 66,391,981,826.32
  5. Step 5: Solve for x
    x = 66,391,981,826.32/332,678.34
  6. Step 6: Final answer
    x = 199,568.10

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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.