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Finding the Fourth Proportional to 468,468.71, 646,487.04 and 253,608.77

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Solution

The fourth proportional to 468,468.71, 646,487.04 and 253,608.77 is: 349,980.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,468.71 : 646,487.04 = 253,608.77 : x
  2. Step 2: Convert to fraction form
    468,468.71/646,487.04 = 253,608.77/x
  3. Step 3: Cross multiply
    468,468.71x = 646,487.04 × 253,608.77
  4. Step 4: Simplify right side
    468,468.71x = 163,954,781,767.30
  5. Step 5: Solve for x
    x = 163,954,781,767.30/468,468.71
  6. Step 6: Final answer
    x = 349,980.22

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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.