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Finding the Fourth Proportional to 452,798.62, 678,310.58 and 262,860.91

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Solution

The fourth proportional to 452,798.62, 678,310.58 and 262,860.91 is: 393,776.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,798.62 : 678,310.58 = 262,860.91 : x
  2. Step 2: Convert to fraction form
    452,798.62/678,310.58 = 262,860.91/x
  3. Step 3: Cross multiply
    452,798.62x = 678,310.58 × 262,860.91
  4. Step 4: Simplify right side
    452,798.62x = 178,301,335,007.12
  5. Step 5: Solve for x
    x = 178,301,335,007.12/452,798.62
  6. Step 6: Final answer
    x = 393,776.23

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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.