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Finding the Fourth Proportional to 662,546.52, 914,339.34 and 376,078.68

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Solution

The fourth proportional to 662,546.52, 914,339.34 and 376,078.68 is: 519,002.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,546.52 : 914,339.34 = 376,078.68 : x
  2. Step 2: Convert to fraction form
    662,546.52/914,339.34 = 376,078.68/x
  3. Step 3: Cross multiply
    662,546.52x = 914,339.34 × 376,078.68
  4. Step 4: Simplify right side
    662,546.52x = 343,863,532,059.27
  5. Step 5: Solve for x
    x = 343,863,532,059.27/662,546.52
  6. Step 6: Final answer
    x = 519,002.85

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1.5x scale

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.