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Finding the Fourth Proportional to 304,073.84, 456,219.41 and 135,579.06

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Solution

The fourth proportional to 304,073.84, 456,219.41 and 135,579.06 is: 203,417.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,073.84 : 456,219.41 = 135,579.06 : x
  2. Step 2: Convert to fraction form
    304,073.84/456,219.41 = 135,579.06/x
  3. Step 3: Cross multiply
    304,073.84x = 456,219.41 × 135,579.06
  4. Step 4: Simplify right side
    304,073.84x = 61,853,798,083.66
  5. Step 5: Solve for x
    x = 61,853,798,083.66/304,073.84
  6. Step 6: Final answer
    x = 203,417.03

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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.