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Finding the Fourth Proportional to 523,251.94, 722,000.77 and 308,362.82

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Solution

The fourth proportional to 523,251.94, 722,000.77 and 308,362.82 is: 425,489.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,251.94 : 722,000.77 = 308,362.82 : x
  2. Step 2: Convert to fraction form
    523,251.94/722,000.77 = 308,362.82/x
  3. Step 3: Cross multiply
    523,251.94x = 722,000.77 × 308,362.82
  4. Step 4: Simplify right side
    523,251.94x = 222,638,193,479.37
  5. Step 5: Solve for x
    x = 222,638,193,479.37/523,251.94
  6. Step 6: Final answer
    x = 425,489.48

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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.