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Finding the Fourth Proportional to 454,519.36, 627,239.82 and 253,328.32

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Solution

The fourth proportional to 454,519.36, 627,239.82 and 253,328.32 is: 349,594.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,519.36 : 627,239.82 = 253,328.32 : x
  2. Step 2: Convert to fraction form
    454,519.36/627,239.82 = 253,328.32/x
  3. Step 3: Cross multiply
    454,519.36x = 627,239.82 × 253,328.32
  4. Step 4: Simplify right side
    454,519.36x = 158,897,609,219.58
  5. Step 5: Solve for x
    x = 158,897,609,219.58/454,519.36
  6. Step 6: Final answer
    x = 349,594.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.