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Finding the Fourth Proportional to 593,228.32, 818,713.86 and 338,617.78

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Solution

The fourth proportional to 593,228.32, 818,713.86 and 338,617.78 is: 467,326.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,228.32 : 818,713.86 = 338,617.78 : x
  2. Step 2: Convert to fraction form
    593,228.32/818,713.86 = 338,617.78/x
  3. Step 3: Cross multiply
    593,228.32x = 818,713.86 × 338,617.78
  4. Step 4: Simplify right side
    593,228.32x = 277,231,069,728.43
  5. Step 5: Solve for x
    x = 277,231,069,728.43/593,228.32
  6. Step 6: Final answer
    x = 467,326.09

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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.