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Finding the Fourth Proportional to 304,863.93, 457,347.20 and 112,749.62

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Solution

The fourth proportional to 304,863.93, 457,347.20 and 112,749.62 is: 169,143.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,863.93 : 457,347.20 = 112,749.62 : x
  2. Step 2: Convert to fraction form
    304,863.93/457,347.20 = 112,749.62/x
  3. Step 3: Cross multiply
    304,863.93x = 457,347.20 × 112,749.62
  4. Step 4: Simplify right side
    304,863.93x = 51,565,720,157.58
  5. Step 5: Solve for x
    x = 51,565,720,157.58/304,863.93
  6. Step 6: Final answer
    x = 169,143.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.