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Finding the Fourth Proportional to 454,671.20, 627,444.96 and 263,796.32

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Solution

The fourth proportional to 454,671.20, 627,444.96 and 263,796.32 is: 364,038.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,671.20 : 627,444.96 = 263,796.32 : x
  2. Step 2: Convert to fraction form
    454,671.20/627,444.96 = 263,796.32/x
  3. Step 3: Cross multiply
    454,671.20x = 627,444.96 × 263,796.32
  4. Step 4: Simplify right side
    454,671.20x = 165,517,671,450.55
  5. Step 5: Solve for x
    x = 165,517,671,450.55/454,671.20
  6. Step 6: Final answer
    x = 364,038.17

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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.