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Finding the Fourth Proportional to 351,285.66, 484,865.04 and 229,082.65

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Solution

The fourth proportional to 351,285.66, 484,865.04 and 229,082.65 is: 316,193.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,285.66 : 484,865.04 = 229,082.65 : x
  2. Step 2: Convert to fraction form
    351,285.66/484,865.04 = 229,082.65/x
  3. Step 3: Cross multiply
    351,285.66x = 484,865.04 × 229,082.65
  4. Step 4: Simplify right side
    351,285.66x = 111,074,166,613.86
  5. Step 5: Solve for x
    x = 111,074,166,613.86/351,285.66
  6. Step 6: Final answer
    x = 316,193.28

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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.