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Finding the Fourth Proportional to 323,099.59, 444,004.60 and 308,281.32

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Solution

The fourth proportional to 323,099.59, 444,004.60 and 308,281.32 is: 423,641.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,099.59 : 444,004.60 = 308,281.32 : x
  2. Step 2: Convert to fraction form
    323,099.59/444,004.60 = 308,281.32/x
  3. Step 3: Cross multiply
    323,099.59x = 444,004.60 × 308,281.32
  4. Step 4: Simplify right side
    323,099.59x = 136,878,324,174.07
  5. Step 5: Solve for x
    x = 136,878,324,174.07/323,099.59
  6. Step 6: Final answer
    x = 423,641.28

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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.