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Finding the Fourth Proportional to 347,672.57, 523,877.83 and 285,876.97

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Solution

The fourth proportional to 347,672.57, 523,877.83 and 285,876.97 is: 430,763.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,672.57 : 523,877.83 = 285,876.97 : x
  2. Step 2: Convert to fraction form
    347,672.57/523,877.83 = 285,876.97/x
  3. Step 3: Cross multiply
    347,672.57x = 523,877.83 × 285,876.97
  4. Step 4: Simplify right side
    347,672.57x = 149,764,604,666.19
  5. Step 5: Solve for x
    x = 149,764,604,666.19/347,672.57
  6. Step 6: Final answer
    x = 430,763.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.