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Finding the Fourth Proportional to 330,898.74, 496,176.39 and 162,345.30

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Solution

The fourth proportional to 330,898.74, 496,176.39 and 162,345.30 is: 243,433.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,898.74 : 496,176.39 = 162,345.30 : x
  2. Step 2: Convert to fraction form
    330,898.74/496,176.39 = 162,345.30/x
  3. Step 3: Cross multiply
    330,898.74x = 496,176.39 × 162,345.30
  4. Step 4: Simplify right side
    330,898.74x = 80,551,904,887.47
  5. Step 5: Solve for x
    x = 80,551,904,887.47/330,898.74
  6. Step 6: Final answer
    x = 243,433.70

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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.