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Finding the Fourth Proportional to 541,667.60, 812,003.84 and 186,597.20

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Solution

The fourth proportional to 541,667.60, 812,003.84 and 186,597.20 is: 279,724.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,667.60 : 812,003.84 = 186,597.20 : x
  2. Step 2: Convert to fraction form
    541,667.60/812,003.84 = 186,597.20/x
  3. Step 3: Cross multiply
    541,667.60x = 812,003.84 × 186,597.20
  4. Step 4: Simplify right side
    541,667.60x = 151,517,642,933.25
  5. Step 5: Solve for x
    x = 151,517,642,933.25/541,667.60
  6. Step 6: Final answer
    x = 279,724.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.