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Finding the Fourth Proportional to 453,872.16, 680,590.90 and 264,386.38

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Solution

The fourth proportional to 453,872.16, 680,590.90 and 264,386.38 is: 396,452.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,872.16 : 680,590.90 = 264,386.38 : x
  2. Step 2: Convert to fraction form
    453,872.16/680,590.90 = 264,386.38/x
  3. Step 3: Cross multiply
    453,872.16x = 680,590.90 × 264,386.38
  4. Step 4: Simplify right side
    453,872.16x = 179,938,964,311.94
  5. Step 5: Solve for x
    x = 179,938,964,311.94/453,872.16
  6. Step 6: Final answer
    x = 396,452.97

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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.