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Finding the Fourth Proportional to 541,483.68, 747,325.68 and 311,997.02

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Solution

The fourth proportional to 541,483.68, 747,325.68 and 311,997.02 is: 430,600.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,483.68 : 747,325.68 = 311,997.02 : x
  2. Step 2: Convert to fraction form
    541,483.68/747,325.68 = 311,997.02/x
  3. Step 3: Cross multiply
    541,483.68x = 747,325.68 × 311,997.02
  4. Step 4: Simplify right side
    541,483.68x = 233,163,380,222.86
  5. Step 5: Solve for x
    x = 233,163,380,222.86/541,483.68
  6. Step 6: Final answer
    x = 430,600.93

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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.