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Finding the Fourth Proportional to 459,462.48, 633,965.31 and 268,438.97

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Solution

The fourth proportional to 459,462.48, 633,965.31 and 268,438.97 is: 370,391.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,462.48 : 633,965.31 = 268,438.97 : x
  2. Step 2: Convert to fraction form
    459,462.48/633,965.31 = 268,438.97/x
  3. Step 3: Cross multiply
    459,462.48x = 633,965.31 × 268,438.97
  4. Step 4: Simplify right side
    459,462.48x = 170,180,991,662.30
  5. Step 5: Solve for x
    x = 170,180,991,662.30/459,462.48
  6. Step 6: Final answer
    x = 370,391.49

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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.