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Finding the Fourth Proportional to 243,471.40, 364,958.70 and 164,593.60

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Solution

The fourth proportional to 243,471.40, 364,958.70 and 164,593.60 is: 246,722.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,471.40 : 364,958.70 = 164,593.60 : x
  2. Step 2: Convert to fraction form
    243,471.40/364,958.70 = 164,593.60/x
  3. Step 3: Cross multiply
    243,471.40x = 364,958.70 × 164,593.60
  4. Step 4: Simplify right side
    243,471.40x = 60,069,866,284.32
  5. Step 5: Solve for x
    x = 60,069,866,284.32/243,471.40
  6. Step 6: Final answer
    x = 246,722.47

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1.5x scale

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.