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Finding the Fourth Proportional to 372,695.37, 514,325.84 and 211,555.37

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Solution

The fourth proportional to 372,695.37, 514,325.84 and 211,555.37 is: 291,949.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,695.37 : 514,325.84 = 211,555.37 : x
  2. Step 2: Convert to fraction form
    372,695.37/514,325.84 = 211,555.37/x
  3. Step 3: Cross multiply
    372,695.37x = 514,325.84 × 211,555.37
  4. Step 4: Simplify right side
    372,695.37x = 108,808,389,752.36
  5. Step 5: Solve for x
    x = 108,808,389,752.36/372,695.37
  6. Step 6: Final answer
    x = 291,949.94

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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.