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Finding the Fourth Proportional to 573,492.56, 791,406.83 and 311,842.22

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Solution

The fourth proportional to 573,492.56, 791,406.83 and 311,842.22 is: 430,335.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,492.56 : 791,406.83 = 311,842.22 : x
  2. Step 2: Convert to fraction form
    573,492.56/791,406.83 = 311,842.22/x
  3. Step 3: Cross multiply
    573,492.56x = 791,406.83 × 311,842.22
  4. Step 4: Simplify right side
    573,492.56x = 246,794,057,274.12
  5. Step 5: Solve for x
    x = 246,794,057,274.12/573,492.56
  6. Step 6: Final answer
    x = 430,335.24

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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.