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Finding the Fourth Proportional to 502,598.64, 693,747.76 and 321,797.52

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Solution

The fourth proportional to 502,598.64, 693,747.76 and 321,797.52 is: 444,184.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,598.64 : 693,747.76 = 321,797.52 : x
  2. Step 2: Convert to fraction form
    502,598.64/693,747.76 = 321,797.52/x
  3. Step 3: Cross multiply
    502,598.64x = 693,747.76 × 321,797.52
  4. Step 4: Simplify right side
    502,598.64x = 223,246,308,673.56
  5. Step 5: Solve for x
    x = 223,246,308,673.56/502,598.64
  6. Step 6: Final answer
    x = 444,184.07

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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.