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Finding the Fourth Proportional to 374,190.94, 516,407.28 and 213,060.06

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Solution

The fourth proportional to 374,190.94, 516,407.28 and 213,060.06 is: 294,036.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,190.94 : 516,407.28 = 213,060.06 : x
  2. Step 2: Convert to fraction form
    374,190.94/516,407.28 = 213,060.06/x
  3. Step 3: Cross multiply
    374,190.94x = 516,407.28 × 213,060.06
  4. Step 4: Simplify right side
    374,190.94x = 110,025,766,061.24
  5. Step 5: Solve for x
    x = 110,025,766,061.24/374,190.94
  6. Step 6: Final answer
    x = 294,036.42

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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.