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Finding the Fourth Proportional to 700,883.08, 967,218.50 and 378,593.18

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Solution

The fourth proportional to 700,883.08, 967,218.50 and 378,593.18 is: 522,458.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    700,883.08 : 967,218.50 = 378,593.18 : x
  2. Step 2: Convert to fraction form
    700,883.08/967,218.50 = 378,593.18/x
  3. Step 3: Cross multiply
    700,883.08x = 967,218.50 × 378,593.18
  4. Step 4: Simplify right side
    700,883.08x = 366,182,327,669.83
  5. Step 5: Solve for x
    x = 366,182,327,669.83/700,883.08
  6. Step 6: Final answer
    x = 522,458.51

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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.