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Finding the Fourth Proportional to 835,251.62, 1,152,648 and 453,278.42

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Solution

The fourth proportional to 835,251.62, 1,152,648 and 453,278.42 is: 625,524.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    835,251.62 : 1,152,648 = 453,278.42 : x
  2. Step 2: Convert to fraction form
    835,251.62/1,152,648 = 453,278.42/x
  3. Step 3: Cross multiply
    835,251.62x = 1,152,648 × 453,278.42
  4. Step 4: Simplify right side
    835,251.62x = 522,470,464,256.16
  5. Step 5: Solve for x
    x = 522,470,464,256.16/835,251.62
  6. Step 6: Final answer
    x = 625,524.63

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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.