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Finding the Fourth Proportional to 502,678.58, 754,555.03 and 203,354.82

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Solution

The fourth proportional to 502,678.58, 754,555.03 and 203,354.82 is: 305,249.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,678.58 : 754,555.03 = 203,354.82 : x
  2. Step 2: Convert to fraction form
    502,678.58/754,555.03 = 203,354.82/x
  3. Step 3: Cross multiply
    502,678.58x = 754,555.03 × 203,354.82
  4. Step 4: Simplify right side
    502,678.58x = 153,442,401,797.36
  5. Step 5: Solve for x
    x = 153,442,401,797.36/502,678.58
  6. Step 6: Final answer
    x = 305,249.54

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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.