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Finding the Fourth Proportional to 454,369.32, 627,030.18 and 263,493.63

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Solution

The fourth proportional to 454,369.32, 627,030.18 and 263,493.63 is: 363,621.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,369.32 : 627,030.18 = 263,493.63 : x
  2. Step 2: Convert to fraction form
    454,369.32/627,030.18 = 263,493.63/x
  3. Step 3: Cross multiply
    454,369.32x = 627,030.18 × 263,493.63
  4. Step 4: Simplify right side
    454,369.32x = 165,218,458,247.75
  5. Step 5: Solve for x
    x = 165,218,458,247.75/454,369.32
  6. Step 6: Final answer
    x = 363,621.51

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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.