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Finding the Fourth Proportional to 304,414.71, 456,625.11 and 135,943.56

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Solution

The fourth proportional to 304,414.71, 456,625.11 and 135,943.56 is: 203,916.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,414.71 : 456,625.11 = 135,943.56 : x
  2. Step 2: Convert to fraction form
    304,414.71/456,625.11 = 135,943.56/x
  3. Step 3: Cross multiply
    304,414.71x = 456,625.11 × 135,943.56
  4. Step 4: Simplify right side
    304,414.71x = 62,075,243,548.58
  5. Step 5: Solve for x
    x = 62,075,243,548.58/304,414.71
  6. Step 6: Final answer
    x = 203,916.70

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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.