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Finding the Fourth Proportional to 700,881.52, 967,216.89 and 378,591.62

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Solution

The fourth proportional to 700,881.52, 967,216.89 and 378,591.62 is: 522,456.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    700,881.52 : 967,216.89 = 378,591.62 : x
  2. Step 2: Convert to fraction form
    700,881.52/967,216.89 = 378,591.62/x
  3. Step 3: Cross multiply
    700,881.52x = 967,216.89 × 378,591.62
  4. Step 4: Simplify right side
    700,881.52x = 366,180,209,276.46
  5. Step 5: Solve for x
    x = 366,180,209,276.46/700,881.52
  6. Step 6: Final answer
    x = 522,456.65

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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.