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Finding the Fourth Proportional to 700,754.72, 967,041.44 and 378,464.88

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Solution

The fourth proportional to 700,754.72, 967,041.44 and 378,464.88 is: 522,281.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    700,754.72 : 967,041.44 = 378,464.88 : x
  2. Step 2: Convert to fraction form
    700,754.72/967,041.44 = 378,464.88/x
  3. Step 3: Cross multiply
    700,754.72x = 967,041.44 × 378,464.88
  4. Step 4: Simplify right side
    700,754.72x = 365,991,222,544.63
  5. Step 5: Solve for x
    x = 365,991,222,544.63/700,754.72
  6. Step 6: Final answer
    x = 522,281.49

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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.