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Finding the Fourth Proportional to 372,795.62, 514,472.51 and 211,665.67

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Solution

The fourth proportional to 372,795.62, 514,472.51 and 211,665.67 is: 292,106.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,795.62 : 514,472.51 = 211,665.67 : x
  2. Step 2: Convert to fraction form
    372,795.62/514,472.51 = 211,665.67/x
  3. Step 3: Cross multiply
    372,795.62x = 514,472.51 × 211,665.67
  4. Step 4: Simplify right side
    372,795.62x = 108,896,167,768.72
  5. Step 5: Solve for x
    x = 108,896,167,768.72/372,795.62
  6. Step 6: Final answer
    x = 292,106.89

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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.