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Finding the Fourth Proportional to 374,418.60, 516,697.94 and 204,652.74

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Solution

The fourth proportional to 374,418.60, 516,697.94 and 204,652.74 is: 282,420.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,418.60 : 516,697.94 = 204,652.74 : x
  2. Step 2: Convert to fraction form
    374,418.60/516,697.94 = 204,652.74/x
  3. Step 3: Cross multiply
    374,418.60x = 516,697.94 × 204,652.74
  4. Step 4: Simplify right side
    374,418.60x = 105,743,649,173.36
  5. Step 5: Solve for x
    x = 105,743,649,173.36/374,418.60
  6. Step 6: Final answer
    x = 282,420.93

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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.