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Finding the Fourth Proportional to 397,774.96, 548,833.65 and 234,437.98

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Solution

The fourth proportional to 397,774.96, 548,833.65 and 234,437.98 is: 323,467.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,774.96 : 548,833.65 = 234,437.98 : x
  2. Step 2: Convert to fraction form
    397,774.96/548,833.65 = 234,437.98/x
  3. Step 3: Cross multiply
    397,774.96x = 548,833.65 × 234,437.98
  4. Step 4: Simplify right side
    397,774.96x = 128,667,452,262.03
  5. Step 5: Solve for x
    x = 128,667,452,262.03/397,774.96
  6. Step 6: Final answer
    x = 323,467.95

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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.