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Finding the Fourth Proportional to 568,568.04, 784,618.60 and 313,921.04

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Solution

The fourth proportional to 568,568.04, 784,618.60 and 313,921.04 is: 433,208.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,568.04 : 784,618.60 = 313,921.04 : x
  2. Step 2: Convert to fraction form
    568,568.04/784,618.60 = 313,921.04/x
  3. Step 3: Cross multiply
    568,568.04x = 784,618.60 × 313,921.04
  4. Step 4: Simplify right side
    568,568.04x = 246,308,286,915.34
  5. Step 5: Solve for x
    x = 246,308,286,915.34/568,568.04
  6. Step 6: Final answer
    x = 433,208.11

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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.