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Finding the Fourth Proportional to 568,715.55, 784,827.33 and 314,066.73

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Solution

The fourth proportional to 568,715.55, 784,827.33 and 314,066.73 is: 433,412.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,715.55 : 784,827.33 = 314,066.73 : x
  2. Step 2: Convert to fraction form
    568,715.55/784,827.33 = 314,066.73/x
  3. Step 3: Cross multiply
    568,715.55x = 784,827.33 × 314,066.73
  4. Step 4: Simplify right side
    568,715.55x = 246,488,154,913.08
  5. Step 5: Solve for x
    x = 246,488,154,913.08/568,715.55
  6. Step 6: Final answer
    x = 433,412.02

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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.