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Finding the Fourth Proportional to 417,878.58, 576,675.45 and 226,892.10

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Solution

The fourth proportional to 417,878.58, 576,675.45 and 226,892.10 is: 313,112.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,878.58 : 576,675.45 = 226,892.10 : x
  2. Step 2: Convert to fraction form
    417,878.58/576,675.45 = 226,892.10/x
  3. Step 3: Cross multiply
    417,878.58x = 576,675.45 × 226,892.10
  4. Step 4: Simplify right side
    417,878.58x = 130,843,103,868.95
  5. Step 5: Solve for x
    x = 130,843,103,868.95/417,878.58
  6. Step 6: Final answer
    x = 313,112.73

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1.5x scale

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.