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Finding the Fourth Proportional to 372,812.37, 514,462.73 and 211,646.27

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Solution

The fourth proportional to 372,812.37, 514,462.73 and 211,646.27 is: 292,061.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,812.37 : 514,462.73 = 211,646.27 : x
  2. Step 2: Convert to fraction form
    372,812.37/514,462.73 = 211,646.27/x
  3. Step 3: Cross multiply
    372,812.37x = 514,462.73 × 211,646.27
  4. Step 4: Simplify right side
    372,812.37x = 108,884,117,858.52
  5. Step 5: Solve for x
    x = 108,884,117,858.52/372,812.37
  6. Step 6: Final answer
    x = 292,061.44

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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.