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Finding the Fourth Proportional to 231,453.60, 347,698.80 and 222,007.20

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Solution

The fourth proportional to 231,453.60, 347,698.80 and 222,007.20 is: 333,508.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,453.60 : 347,698.80 = 222,007.20 : x
  2. Step 2: Convert to fraction form
    231,453.60/347,698.80 = 222,007.20/x
  3. Step 3: Cross multiply
    231,453.60x = 347,698.80 × 222,007.20
  4. Step 4: Simplify right side
    231,453.60x = 77,191,637,031.36
  5. Step 5: Solve for x
    x = 77,191,637,031.36/231,453.60
  6. Step 6: Final answer
    x = 333,508.04

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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.