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Finding the Fourth Proportional to 348,357.86, 522,411.39 and 120,591.61

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Solution

The fourth proportional to 348,357.86, 522,411.39 and 120,591.61 is: 180,844.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,357.86 : 522,411.39 = 120,591.61 : x
  2. Step 2: Convert to fraction form
    348,357.86/522,411.39 = 120,591.61/x
  3. Step 3: Cross multiply
    348,357.86x = 522,411.39 × 120,591.61
  4. Step 4: Simplify right side
    348,357.86x = 62,998,430,602.44
  5. Step 5: Solve for x
    x = 62,998,430,602.44/348,357.86
  6. Step 6: Final answer
    x = 180,844.01

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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.