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Finding the Fourth Proportional to 519,625.40, 779,697.30 and 295,158.20

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Solution

The fourth proportional to 519,625.40, 779,697.30 and 295,158.20 is: 442,884.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,625.40 : 779,697.30 = 295,158.20 : x
  2. Step 2: Convert to fraction form
    519,625.40/779,697.30 = 295,158.20/x
  3. Step 3: Cross multiply
    519,625.40x = 779,697.30 × 295,158.20
  4. Step 4: Simplify right side
    519,625.40x = 230,134,051,612.86
  5. Step 5: Solve for x
    x = 230,134,051,612.86/519,625.40
  6. Step 6: Final answer
    x = 442,884.53

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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.