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Finding the Fourth Proportional to 234,485.55, 323,574.75 and 149,593.50

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Solution

The fourth proportional to 234,485.55, 323,574.75 and 149,593.50 is: 206,429.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,485.55 : 323,574.75 = 149,593.50 : x
  2. Step 2: Convert to fraction form
    234,485.55/323,574.75 = 149,593.50/x
  3. Step 3: Cross multiply
    234,485.55x = 323,574.75 × 149,593.50
  4. Step 4: Simplify right side
    234,485.55x = 48,404,679,364.13
  5. Step 5: Solve for x
    x = 48,404,679,364.13/234,485.55
  6. Step 6: Final answer
    x = 206,429.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.