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Finding the Fourth Proportional to 342,527.84, 472,676.72 and 189,572.48

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Solution

The fourth proportional to 342,527.84, 472,676.72 and 189,572.48 is: 261,603.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,527.84 : 472,676.72 = 189,572.48 : x
  2. Step 2: Convert to fraction form
    342,527.84/472,676.72 = 189,572.48/x
  3. Step 3: Cross multiply
    342,527.84x = 472,676.72 × 189,572.48
  4. Step 4: Simplify right side
    342,527.84x = 89,606,498,048.67
  5. Step 5: Solve for x
    x = 89,606,498,048.67/342,527.84
  6. Step 6: Final answer
    x = 261,603.55

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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.