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Finding the Fourth Proportional to 568,354.84, 784,280 and 364,045.30

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Solution

The fourth proportional to 568,354.84, 784,280 and 364,045.30 is: 502,350.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,354.84 : 784,280 = 364,045.30 : x
  2. Step 2: Convert to fraction form
    568,354.84/784,280 = 364,045.30/x
  3. Step 3: Cross multiply
    568,354.84x = 784,280 × 364,045.30
  4. Step 4: Simplify right side
    568,354.84x = 285,513,447,884
  5. Step 5: Solve for x
    x = 285,513,447,884/568,354.84
  6. Step 6: Final answer
    x = 502,350.69

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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.