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Finding the Fourth Proportional to 700,889.30, 967,227.62 and 378,599.40

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Solution

The fourth proportional to 700,889.30, 967,227.62 and 378,599.40 is: 522,467.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    700,889.30 : 967,227.62 = 378,599.40 : x
  2. Step 2: Convert to fraction form
    700,889.30/967,227.62 = 378,599.40/x
  3. Step 3: Cross multiply
    700,889.30x = 967,227.62 × 378,599.40
  4. Step 4: Simplify right side
    700,889.30x = 366,191,796,595.43
  5. Step 5: Solve for x
    x = 366,191,796,595.43/700,889.30
  6. Step 6: Final answer
    x = 522,467.38

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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.