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Finding the Fourth Proportional to 305,897.36, 458,892.71 and 156,055.92

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Solution

The fourth proportional to 305,897.36, 458,892.71 and 156,055.92 is: 234,107.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,897.36 : 458,892.71 = 156,055.92 : x
  2. Step 2: Convert to fraction form
    305,897.36/458,892.71 = 156,055.92/x
  3. Step 3: Cross multiply
    305,897.36x = 458,892.71 × 156,055.92
  4. Step 4: Simplify right side
    305,897.36x = 71,612,923,260.06
  5. Step 5: Solve for x
    x = 71,612,923,260.06/305,897.36
  6. Step 6: Final answer
    x = 234,107.69

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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.