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Finding the Fourth Proportional to 352,333.98, 486,017.55 and 224,865.90

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Solution

The fourth proportional to 352,333.98, 486,017.55 and 224,865.90 is: 310,185.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,333.98 : 486,017.55 = 224,865.90 : x
  2. Step 2: Convert to fraction form
    352,333.98/486,017.55 = 224,865.90/x
  3. Step 3: Cross multiply
    352,333.98x = 486,017.55 × 224,865.90
  4. Step 4: Simplify right side
    352,333.98x = 109,288,773,796.55
  5. Step 5: Solve for x
    x = 109,288,773,796.55/352,333.98
  6. Step 6: Final answer
    x = 310,185.17

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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.