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Finding the Fourth Proportional to 524,565.50, 724,161.80 and 343,554.80

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Solution

The fourth proportional to 524,565.50, 724,161.80 and 343,554.80 is: 474,276.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,565.50 : 724,161.80 = 343,554.80 : x
  2. Step 2: Convert to fraction form
    524,565.50/724,161.80 = 343,554.80/x
  3. Step 3: Cross multiply
    524,565.50x = 724,161.80 × 343,554.80
  4. Step 4: Simplify right side
    524,565.50x = 248,789,259,604.72
  5. Step 5: Solve for x
    x = 248,789,259,604.72/524,565.50
  6. Step 6: Final answer
    x = 474,276.83

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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.