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Finding the Fourth Proportional to 374,264.61, 516,484.64 and 213,119.66

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Solution

The fourth proportional to 374,264.61, 516,484.64 and 213,119.66 is: 294,104.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,264.61 : 516,484.64 = 213,119.66 : x
  2. Step 2: Convert to fraction form
    374,264.61/516,484.64 = 213,119.66/x
  3. Step 3: Cross multiply
    374,264.61x = 516,484.64 × 213,119.66
  4. Step 4: Simplify right side
    374,264.61x = 110,073,027,224.00
  5. Step 5: Solve for x
    x = 110,073,027,224.00/374,264.61
  6. Step 6: Final answer
    x = 294,104.82

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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.