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Finding the Fourth Proportional to 609,386.70, 914,165.01 and 254,319.42

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Solution

The fourth proportional to 609,386.70, 914,165.01 and 254,319.42 is: 381,514.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,386.70 : 914,165.01 = 254,319.42 : x
  2. Step 2: Convert to fraction form
    609,386.70/914,165.01 = 254,319.42/x
  3. Step 3: Cross multiply
    609,386.70x = 914,165.01 × 254,319.42
  4. Step 4: Simplify right side
    609,386.70x = 232,489,915,127.49
  5. Step 5: Solve for x
    x = 232,489,915,127.49/609,386.70
  6. Step 6: Final answer
    x = 381,514.59

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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.