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Finding the Fourth Proportional to 322,197.60, 482,821.20 and 233,637.60

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Solution

The fourth proportional to 322,197.60, 482,821.20 and 233,637.60 is: 350,111.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,197.60 : 482,821.20 = 233,637.60 : x
  2. Step 2: Convert to fraction form
    322,197.60/482,821.20 = 233,637.60/x
  3. Step 3: Cross multiply
    322,197.60x = 482,821.20 × 233,637.60
  4. Step 4: Simplify right side
    322,197.60x = 112,805,186,397.12
  5. Step 5: Solve for x
    x = 112,805,186,397.12/322,197.60
  6. Step 6: Final answer
    x = 350,111.81

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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.