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Finding the Fourth Proportional to 418,045.56, 576,818.18 and 254,592.50

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Solution

The fourth proportional to 418,045.56, 576,818.18 and 254,592.50 is: 351,286.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,045.56 : 576,818.18 = 254,592.50 : x
  2. Step 2: Convert to fraction form
    418,045.56/576,818.18 = 254,592.50/x
  3. Step 3: Cross multiply
    418,045.56x = 576,818.18 × 254,592.50
  4. Step 4: Simplify right side
    418,045.56x = 146,853,582,491.65
  5. Step 5: Solve for x
    x = 146,853,582,491.65/418,045.56
  6. Step 6: Final answer
    x = 351,286.07

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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.