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Finding the Fourth Proportional to 342,524.58, 472,674.20 and 189,569.18

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Solution

The fourth proportional to 342,524.58, 472,674.20 and 189,569.18 is: 261,600.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,524.58 : 472,674.20 = 189,569.18 : x
  2. Step 2: Convert to fraction form
    342,524.58/472,674.20 = 189,569.18/x
  3. Step 3: Cross multiply
    342,524.58x = 472,674.20 × 189,569.18
  4. Step 4: Simplify right side
    342,524.58x = 89,604,457,189.94
  5. Step 5: Solve for x
    x = 89,604,457,189.94/342,524.58
  6. Step 6: Final answer
    x = 261,600.08

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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.