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Finding the Fourth Proportional to 482,965.92, 725,498.40 and 325,501.92

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Solution

The fourth proportional to 482,965.92, 725,498.40 and 325,501.92 is: 488,960.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,965.92 : 725,498.40 = 325,501.92 : x
  2. Step 2: Convert to fraction form
    482,965.92/725,498.40 = 325,501.92/x
  3. Step 3: Cross multiply
    482,965.92x = 725,498.40 × 325,501.92
  4. Step 4: Simplify right side
    482,965.92x = 236,151,122,156.93
  5. Step 5: Solve for x
    x = 236,151,122,156.93/482,965.92
  6. Step 6: Final answer
    x = 488,960.22

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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.