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Finding the Fourth Proportional to 348,009.60, 522,500.40 and 222,427.20

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Solution

The fourth proportional to 348,009.60, 522,500.40 and 222,427.20 is: 333,951.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,009.60 : 522,500.40 = 222,427.20 : x
  2. Step 2: Convert to fraction form
    348,009.60/522,500.40 = 222,427.20/x
  3. Step 3: Cross multiply
    348,009.60x = 522,500.40 × 222,427.20
  4. Step 4: Simplify right side
    348,009.60x = 116,218,300,970.88
  5. Step 5: Solve for x
    x = 116,218,300,970.88/348,009.60
  6. Step 6: Final answer
    x = 333,951.42

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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.