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Finding the Fourth Proportional to 372,937.58, 514,635.95 and 211,771.34

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Solution

The fourth proportional to 372,937.58, 514,635.95 and 211,771.34 is: 292,234.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,937.58 : 514,635.95 = 211,771.34 : x
  2. Step 2: Convert to fraction form
    372,937.58/514,635.95 = 211,771.34/x
  3. Step 3: Cross multiply
    372,937.58x = 514,635.95 × 211,771.34
  4. Step 4: Simplify right side
    372,937.58x = 108,985,141,111.64
  5. Step 5: Solve for x
    x = 108,985,141,111.64/372,937.58
  6. Step 6: Final answer
    x = 292,234.27

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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.