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Finding the Fourth Proportional to 609,509.88, 914,410.80 and 254,326.32

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Solution

The fourth proportional to 609,509.88, 914,410.80 and 254,326.32 is: 381,550.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,509.88 : 914,410.80 = 254,326.32 : x
  2. Step 2: Convert to fraction form
    609,509.88/914,410.80 = 254,326.32/x
  3. Step 3: Cross multiply
    609,509.88x = 914,410.80 × 254,326.32
  4. Step 4: Simplify right side
    609,509.88x = 232,558,733,732.26
  5. Step 5: Solve for x
    x = 232,558,733,732.26/609,509.88
  6. Step 6: Final answer
    x = 381,550.39

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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.