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Finding the Fourth Proportional to 700,881.30, 967,216.58 and 378,591.40

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Solution

The fourth proportional to 700,881.30, 967,216.58 and 378,591.40 is: 522,456.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    700,881.30 : 967,216.58 = 378,591.40 : x
  2. Step 2: Convert to fraction form
    700,881.30/967,216.58 = 378,591.40/x
  3. Step 3: Cross multiply
    700,881.30x = 967,216.58 × 378,591.40
  4. Step 4: Simplify right side
    700,881.30x = 366,179,879,125.41
  5. Step 5: Solve for x
    x = 366,179,879,125.41/700,881.30
  6. Step 6: Final answer
    x = 522,456.34

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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.