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Finding the Fourth Proportional to 459,014.60, 687,161.10 and 341,208.20

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Solution

The fourth proportional to 459,014.60, 687,161.10 and 341,208.20 is: 510,800.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,014.60 : 687,161.10 = 341,208.20 : x
  2. Step 2: Convert to fraction form
    459,014.60/687,161.10 = 341,208.20/x
  3. Step 3: Cross multiply
    459,014.60x = 687,161.10 × 341,208.20
  4. Step 4: Simplify right side
    459,014.60x = 234,465,002,041.02
  5. Step 5: Solve for x
    x = 234,465,002,041.02/459,014.60
  6. Step 6: Final answer
    x = 510,800.75

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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.