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Finding the Fourth Proportional to 397,267.17, 548,230.88 and 233,930.76

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Solution

The fourth proportional to 397,267.17, 548,230.88 and 233,930.76 is: 322,825.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,267.17 : 548,230.88 = 233,930.76 : x
  2. Step 2: Convert to fraction form
    397,267.17/548,230.88 = 233,930.76/x
  3. Step 3: Cross multiply
    397,267.17x = 548,230.88 × 233,930.76
  4. Step 4: Simplify right side
    397,267.17x = 128,248,065,244.22
  5. Step 5: Solve for x
    x = 128,248,065,244.22/397,267.17
  6. Step 6: Final answer
    x = 322,825.73

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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.