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Finding the Fourth Proportional to 512,565.52, 768,851.52 and 336,192.88

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Solution

The fourth proportional to 512,565.52, 768,851.52 and 336,192.88 is: 504,291.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    512,565.52 : 768,851.52 = 336,192.88 : x
  2. Step 2: Convert to fraction form
    512,565.52/768,851.52 = 336,192.88/x
  3. Step 3: Cross multiply
    512,565.52x = 768,851.52 × 336,192.88
  4. Step 4: Simplify right side
    512,565.52x = 258,482,406,801.18
  5. Step 5: Solve for x
    x = 258,482,406,801.18/512,565.52
  6. Step 6: Final answer
    x = 504,291.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.