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Finding the Fourth Proportional to 364,278.80, 546,418.20 and 222,561.20

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Solution

The fourth proportional to 364,278.80, 546,418.20 and 222,561.20 is: 333,841.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,278.80 : 546,418.20 = 222,561.20 : x
  2. Step 2: Convert to fraction form
    364,278.80/546,418.20 = 222,561.20/x
  3. Step 3: Cross multiply
    364,278.80x = 546,418.20 × 222,561.20
  4. Step 4: Simplify right side
    364,278.80x = 121,611,490,293.84
  5. Step 5: Solve for x
    x = 121,611,490,293.84/364,278.80
  6. Step 6: Final answer
    x = 333,841.80

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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.