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Finding the Fourth Proportional to 700,883.72, 967,219.36 and 378,593.80

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Solution

The fourth proportional to 700,883.72, 967,219.36 and 378,593.80 is: 522,459.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    700,883.72 : 967,219.36 = 378,593.80 : x
  2. Step 2: Convert to fraction form
    700,883.72/967,219.36 = 378,593.80/x
  3. Step 3: Cross multiply
    700,883.72x = 967,219.36 × 378,593.80
  4. Step 4: Simplify right side
    700,883.72x = 366,183,252,935.97
  5. Step 5: Solve for x
    x = 366,183,252,935.97/700,883.72
  6. Step 6: Final answer
    x = 522,459.35

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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.