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Finding the Fourth Proportional to 349,404.46, 482,175.29 and 220,426.25

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Solution

The fourth proportional to 349,404.46, 482,175.29 and 220,426.25 is: 304,186.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,404.46 : 482,175.29 = 220,426.25 : x
  2. Step 2: Convert to fraction form
    349,404.46/482,175.29 = 220,426.25/x
  3. Step 3: Cross multiply
    349,404.46x = 482,175.29 × 220,426.25
  4. Step 4: Simplify right side
    349,404.46x = 106,284,091,501.70
  5. Step 5: Solve for x
    x = 106,284,091,501.70/349,404.46
  6. Step 6: Final answer
    x = 304,186.42

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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.