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Finding the Fourth Proportional to 700,944.50, 967,304.27 and 378,654.59

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Solution

The fourth proportional to 700,944.50, 967,304.27 and 378,654.59 is: 522,543.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    700,944.50 : 967,304.27 = 378,654.59 : x
  2. Step 2: Convert to fraction form
    700,944.50/967,304.27 = 378,654.59/x
  3. Step 3: Cross multiply
    700,944.50x = 967,304.27 × 378,654.59
  4. Step 4: Simplify right side
    700,944.50x = 366,274,195,032.31
  5. Step 5: Solve for x
    x = 366,274,195,032.31/700,944.50
  6. Step 6: Final answer
    x = 522,543.79

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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.