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Finding the Fourth Proportional to 459,462.48, 633,965.30 and 268,438.96

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Solution

The fourth proportional to 459,462.48, 633,965.30 and 268,438.96 is: 370,391.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,462.48 : 633,965.30 = 268,438.96 : x
  2. Step 2: Convert to fraction form
    459,462.48/633,965.30 = 268,438.96/x
  3. Step 3: Cross multiply
    459,462.48x = 633,965.30 × 268,438.96
  4. Step 4: Simplify right side
    459,462.48x = 170,180,985,808.09
  5. Step 5: Solve for x
    x = 170,180,985,808.09/459,462.48
  6. Step 6: Final answer
    x = 370,391.48

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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.