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Finding the Fourth Proportional to 593,226.42, 818,694.45 and 338,615.88

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Solution

The fourth proportional to 593,226.42, 818,694.45 and 338,615.88 is: 467,313.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,226.42 : 818,694.45 = 338,615.88 : x
  2. Step 2: Convert to fraction form
    593,226.42/818,694.45 = 338,615.88/x
  3. Step 3: Cross multiply
    593,226.42x = 818,694.45 × 338,615.88
  4. Step 4: Simplify right side
    593,226.42x = 277,222,941,637.87
  5. Step 5: Solve for x
    x = 277,222,941,637.87/593,226.42
  6. Step 6: Final answer
    x = 467,313.88

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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.