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Finding the Fourth Proportional to 593,272.68, 818,775 and 338,662.20

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Solution

The fourth proportional to 593,272.68, 818,775 and 338,662.20 is: 467,387.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,272.68 : 818,775 = 338,662.20 : x
  2. Step 2: Convert to fraction form
    593,272.68/818,775 = 338,662.20/x
  3. Step 3: Cross multiply
    593,272.68x = 818,775 × 338,662.20
  4. Step 4: Simplify right side
    593,272.68x = 277,288,142,805
  5. Step 5: Solve for x
    x = 277,288,142,805/593,272.68
  6. Step 6: Final answer
    x = 467,387.35

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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.