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Finding the Fourth Proportional to 453,950.87, 680,040.46 and 353,641.38

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Solution

The fourth proportional to 453,950.87, 680,040.46 and 353,641.38 is: 529,771.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,950.87 : 680,040.46 = 353,641.38 : x
  2. Step 2: Convert to fraction form
    453,950.87/680,040.46 = 353,641.38/x
  3. Step 3: Cross multiply
    453,950.87x = 680,040.46 × 353,641.38
  4. Step 4: Simplify right side
    453,950.87x = 240,490,445,846.13
  5. Step 5: Solve for x
    x = 240,490,445,846.13/453,950.87
  6. Step 6: Final answer
    x = 529,771.97

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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.