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Finding the Fourth Proportional to 453,951.19, 680,040.96 and 353,641.71

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Solution

The fourth proportional to 453,951.19, 680,040.96 and 353,641.71 is: 529,772.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,951.19 : 680,040.96 = 353,641.71 : x
  2. Step 2: Convert to fraction form
    453,951.19/680,040.96 = 353,641.71/x
  3. Step 3: Cross multiply
    453,951.19x = 680,040.96 × 353,641.71
  4. Step 4: Simplify right side
    453,951.19x = 240,490,847,964.44
  5. Step 5: Solve for x
    x = 240,490,847,964.44/453,951.19
  6. Step 6: Final answer
    x = 529,772.48

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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.