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Finding the Fourth Proportional to 323,098.59, 444,003.23 and 308,280.32

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Solution

The fourth proportional to 323,098.59, 444,003.23 and 308,280.32 is: 423,639.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,098.59 : 444,003.23 = 308,280.32 : x
  2. Step 2: Convert to fraction form
    323,098.59/444,003.23 = 308,280.32/x
  3. Step 3: Cross multiply
    323,098.59x = 444,003.23 × 308,280.32
  4. Step 4: Simplify right side
    323,098.59x = 136,877,454,064.02
  5. Step 5: Solve for x
    x = 136,877,454,064.02/323,098.59
  6. Step 6: Final answer
    x = 423,639.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.