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Finding the Fourth Proportional to 502,853.85, 754,278.78 and 203,330.82

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Solution

The fourth proportional to 502,853.85, 754,278.78 and 203,330.82 is: 304,995.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,853.85 : 754,278.78 = 203,330.82 : x
  2. Step 2: Convert to fraction form
    502,853.85/754,278.78 = 203,330.82/x
  3. Step 3: Cross multiply
    502,853.85x = 754,278.78 × 203,330.82
  4. Step 4: Simplify right side
    502,853.85x = 153,368,122,846.00
  5. Step 5: Solve for x
    x = 153,368,122,846.00/502,853.85
  6. Step 6: Final answer
    x = 304,995.42

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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.