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Finding the Fourth Proportional to 322,203.60, 482,830.20 and 233,643.60

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Solution

The fourth proportional to 322,203.60, 482,830.20 and 233,643.60 is: 350,120.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,203.60 : 482,830.20 = 233,643.60 : x
  2. Step 2: Convert to fraction form
    322,203.60/482,830.20 = 233,643.60/x
  3. Step 3: Cross multiply
    322,203.60x = 482,830.20 × 233,643.60
  4. Step 4: Simplify right side
    322,203.60x = 112,810,186,116.72
  5. Step 5: Solve for x
    x = 112,810,186,116.72/322,203.60
  6. Step 6: Final answer
    x = 350,120.81

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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.