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Finding the Fourth Proportional to 451,106.54, 676,810.86 and 147,514.69

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Solution

The fourth proportional to 451,106.54, 676,810.86 and 147,514.69 is: 221,321.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,106.54 : 676,810.86 = 147,514.69 : x
  2. Step 2: Convert to fraction form
    451,106.54/676,810.86 = 147,514.69/x
  3. Step 3: Cross multiply
    451,106.54x = 676,810.86 × 147,514.69
  4. Step 4: Simplify right side
    451,106.54x = 99,839,544,201.53
  5. Step 5: Solve for x
    x = 99,839,544,201.53/451,106.54
  6. Step 6: Final answer
    x = 221,321.43

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1.5x scale

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.