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Finding the Fourth Proportional to 454,551.94, 627,142.65 and 263,527.20

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Solution

The fourth proportional to 454,551.94, 627,142.65 and 263,527.20 is: 363,586.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,551.94 : 627,142.65 = 263,527.20 : x
  2. Step 2: Convert to fraction form
    454,551.94/627,142.65 = 263,527.20/x
  3. Step 3: Cross multiply
    454,551.94x = 627,142.65 × 263,527.20
  4. Step 4: Simplify right side
    454,551.94x = 165,269,146,555.08
  5. Step 5: Solve for x
    x = 165,269,146,555.08/454,551.94
  6. Step 6: Final answer
    x = 363,586.93

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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.