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Finding the Fourth Proportional to 283,364.31, 425,212.54 and 203,316.01

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Solution

The fourth proportional to 283,364.31, 425,212.54 and 203,316.01 is: 305,093.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,364.31 : 425,212.54 = 203,316.01 : x
  2. Step 2: Convert to fraction form
    283,364.31/425,212.54 = 203,316.01/x
  3. Step 3: Cross multiply
    283,364.31x = 425,212.54 × 203,316.01
  4. Step 4: Simplify right side
    283,364.31x = 86,452,517,034.77
  5. Step 5: Solve for x
    x = 86,452,517,034.77/283,364.31
  6. Step 6: Final answer
    x = 305,093.18

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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.