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Finding the Fourth Proportional to 347,454.24, 520,502.64 and 239,364.54

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Solution

The fourth proportional to 347,454.24, 520,502.64 and 239,364.54 is: 358,579.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,454.24 : 520,502.64 = 239,364.54 : x
  2. Step 2: Convert to fraction form
    347,454.24/520,502.64 = 239,364.54/x
  3. Step 3: Cross multiply
    347,454.24x = 520,502.64 × 239,364.54
  4. Step 4: Simplify right side
    347,454.24x = 124,589,874,992.39
  5. Step 5: Solve for x
    x = 124,589,874,992.39/347,454.24
  6. Step 6: Final answer
    x = 358,579.23

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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.