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Finding the Fourth Proportional to 288,603.60, 433,342.80 and 222,118.80

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Solution

The fourth proportional to 288,603.60, 433,342.80 and 222,118.80 is: 333,514.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,603.60 : 433,342.80 = 222,118.80 : x
  2. Step 2: Convert to fraction form
    288,603.60/433,342.80 = 222,118.80/x
  3. Step 3: Cross multiply
    288,603.60x = 433,342.80 × 222,118.80
  4. Step 4: Simplify right side
    288,603.60x = 96,253,582,724.64
  5. Step 5: Solve for x
    x = 96,253,582,724.64/288,603.60
  6. Step 6: Final answer
    x = 333,514.84

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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.