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Finding the Fourth Proportional to 547,818.23, 756,473.91 and 341,438.84

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Solution

The fourth proportional to 547,818.23, 756,473.91 and 341,438.84 is: 471,487.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,818.23 : 756,473.91 = 341,438.84 : x
  2. Step 2: Convert to fraction form
    547,818.23/756,473.91 = 341,438.84/x
  3. Step 3: Cross multiply
    547,818.23x = 756,473.91 × 341,438.84
  4. Step 4: Simplify right side
    547,818.23x = 258,289,574,320.66
  5. Step 5: Solve for x
    x = 258,289,574,320.66/547,818.23
  6. Step 6: Final answer
    x = 471,487.73

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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.