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Finding the Fourth Proportional to 914,793.50, 1,262,415.03 and 557,097.50

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Solution

The fourth proportional to 914,793.50, 1,262,415.03 and 557,097.50 is: 768,794.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,793.50 : 1,262,415.03 = 557,097.50 : x
  2. Step 2: Convert to fraction form
    914,793.50/1,262,415.03 = 557,097.50/x
  3. Step 3: Cross multiply
    914,793.50x = 1,262,415.03 × 557,097.50
  4. Step 4: Simplify right side
    914,793.50x = 703,288,257,175.43
  5. Step 5: Solve for x
    x = 703,288,257,175.43/914,793.50
  6. Step 6: Final answer
    x = 768,794.55

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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.