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Finding the Fourth Proportional to 609,509.82, 914,297.54 and 254,166.06

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Solution

The fourth proportional to 609,509.82, 914,297.54 and 254,166.06 is: 381,262.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,509.82 : 914,297.54 = 254,166.06 : x
  2. Step 2: Convert to fraction form
    609,509.82/914,297.54 = 254,166.06/x
  3. Step 3: Cross multiply
    609,509.82x = 914,297.54 × 254,166.06
  4. Step 4: Simplify right side
    609,509.82x = 232,383,402,138.66
  5. Step 5: Solve for x
    x = 232,383,402,138.66/609,509.82
  6. Step 6: Final answer
    x = 381,262.77

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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.