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Finding the Fourth Proportional to 343,588.68, 474,055.38 and 222,735.06

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Solution

The fourth proportional to 343,588.68, 474,055.38 and 222,735.06 is: 307,311.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,588.68 : 474,055.38 = 222,735.06 : x
  2. Step 2: Convert to fraction form
    343,588.68/474,055.38 = 222,735.06/x
  3. Step 3: Cross multiply
    343,588.68x = 474,055.38 × 222,735.06
  4. Step 4: Simplify right side
    343,588.68x = 105,588,753,507.62
  5. Step 5: Solve for x
    x = 105,588,753,507.62/343,588.68
  6. Step 6: Final answer
    x = 307,311.50

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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.