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Finding the Fourth Proportional to 609,404.49, 914,456.75 and 475,910.01

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Solution

The fourth proportional to 609,404.49, 914,456.75 and 475,910.01 is: 714,138.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,404.49 : 914,456.75 = 475,910.01 : x
  2. Step 2: Convert to fraction form
    609,404.49/914,456.75 = 475,910.01/x
  3. Step 3: Cross multiply
    609,404.49x = 914,456.75 × 475,910.01
  4. Step 4: Simplify right side
    609,404.49x = 435,199,114,085.23
  5. Step 5: Solve for x
    x = 435,199,114,085.23/609,404.49
  6. Step 6: Final answer
    x = 714,138.35

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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.