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Finding the Fourth Proportional to 321,505.44, 482,159.68 and 222,303.12

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Solution

The fourth proportional to 321,505.44, 482,159.68 and 222,303.12 is: 333,386.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,505.44 : 482,159.68 = 222,303.12 : x
  2. Step 2: Convert to fraction form
    321,505.44/482,159.68 = 222,303.12/x
  3. Step 3: Cross multiply
    321,505.44x = 482,159.68 × 222,303.12
  4. Step 4: Simplify right side
    321,505.44x = 107,185,601,851.84
  5. Step 5: Solve for x
    x = 107,185,601,851.84/321,505.44
  6. Step 6: Final answer
    x = 333,386.59

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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.