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Finding the Fourth Proportional to 448,497.57, 672,746.37 and 182,278.86

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Solution

The fourth proportional to 448,497.57, 672,746.37 and 182,278.86 is: 273,418.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,497.57 : 672,746.37 = 182,278.86 : x
  2. Step 2: Convert to fraction form
    448,497.57/672,746.37 = 182,278.86/x
  3. Step 3: Cross multiply
    448,497.57x = 672,746.37 × 182,278.86
  4. Step 4: Simplify right side
    448,497.57x = 122,627,441,392.74
  5. Step 5: Solve for x
    x = 122,627,441,392.74/448,497.57
  6. Step 6: Final answer
    x = 273,418.30

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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.