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Finding the Fourth Proportional to 288,615.60, 433,360.80 and 222,130.80

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Solution

The fourth proportional to 288,615.60, 433,360.80 and 222,130.80 is: 333,532.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,615.60 : 433,360.80 = 222,130.80 : x
  2. Step 2: Convert to fraction form
    288,615.60/433,360.80 = 222,130.80/x
  3. Step 3: Cross multiply
    288,615.60x = 433,360.80 × 222,130.80
  4. Step 4: Simplify right side
    288,615.60x = 96,262,781,192.64
  5. Step 5: Solve for x
    x = 96,262,781,192.64/288,615.60
  6. Step 6: Final answer
    x = 333,532.84

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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.