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Finding the Fourth Proportional to 334,123.60, 501,189.59 and 220,995.57

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Solution

The fourth proportional to 334,123.60, 501,189.59 and 220,995.57 is: 331,496.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,123.60 : 501,189.59 = 220,995.57 : x
  2. Step 2: Convert to fraction form
    334,123.60/501,189.59 = 220,995.57/x
  3. Step 3: Cross multiply
    334,123.60x = 501,189.59 × 220,995.57
  4. Step 4: Simplify right side
    334,123.60x = 110,760,679,120.12
  5. Step 5: Solve for x
    x = 110,760,679,120.12/334,123.60
  6. Step 6: Final answer
    x = 331,496.13

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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.