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Finding the Fourth Proportional to 523,251.44, 722,000.08 and 308,362.32

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Solution

The fourth proportional to 523,251.44, 722,000.08 and 308,362.32 is: 425,488.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,251.44 : 722,000.08 = 308,362.32 : x
  2. Step 2: Convert to fraction form
    523,251.44/722,000.08 = 308,362.32/x
  3. Step 3: Cross multiply
    523,251.44x = 722,000.08 × 308,362.32
  4. Step 4: Simplify right side
    523,251.44x = 222,637,619,708.99
  5. Step 5: Solve for x
    x = 222,637,619,708.99/523,251.44
  6. Step 6: Final answer
    x = 425,488.79

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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.