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Finding the Fourth Proportional to 454,690.32, 627,477.23 and 250,749.39

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Solution

The fourth proportional to 454,690.32, 627,477.23 and 250,749.39 is: 346,036.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,690.32 : 627,477.23 = 250,749.39 : x
  2. Step 2: Convert to fraction form
    454,690.32/627,477.23 = 250,749.39/x
  3. Step 3: Cross multiply
    454,690.32x = 627,477.23 × 250,749.39
  4. Step 4: Simplify right side
    454,690.32x = 157,339,531,407.64
  5. Step 5: Solve for x
    x = 157,339,531,407.64/454,690.32
  6. Step 6: Final answer
    x = 346,036.69

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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.