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Finding the Fourth Proportional to 593,036.64, 818,404.56 and 338,411.52

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Solution

The fourth proportional to 593,036.64, 818,404.56 and 338,411.52 is: 467,015.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,036.64 : 818,404.56 = 338,411.52 : x
  2. Step 2: Convert to fraction form
    593,036.64/818,404.56 = 338,411.52/x
  3. Step 3: Cross multiply
    593,036.64x = 818,404.56 × 338,411.52
  4. Step 4: Simplify right side
    593,036.64x = 276,957,531,124.53
  5. Step 5: Solve for x
    x = 276,957,531,124.53/593,036.64
  6. Step 6: Final answer
    x = 467,015.88

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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.