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Finding the Fourth Proportional to 576,497.85, 864,331.24 and 351,805.47

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Solution

The fourth proportional to 576,497.85, 864,331.24 and 351,805.47 is: 527,454.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,497.85 : 864,331.24 = 351,805.47 : x
  2. Step 2: Convert to fraction form
    576,497.85/864,331.24 = 351,805.47/x
  3. Step 3: Cross multiply
    576,497.85x = 864,331.24 × 351,805.47
  4. Step 4: Simplify right side
    576,497.85x = 304,076,458,123.88
  5. Step 5: Solve for x
    x = 304,076,458,123.88/576,497.85
  6. Step 6: Final answer
    x = 527,454.63

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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.