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Finding the Fourth Proportional to 663,796.32, 995,869.44 and 348,168.48

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Solution

The fourth proportional to 663,796.32, 995,869.44 and 348,168.48 is: 522,344.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,796.32 : 995,869.44 = 348,168.48 : x
  2. Step 2: Convert to fraction form
    663,796.32/995,869.44 = 348,168.48/x
  3. Step 3: Cross multiply
    663,796.32x = 995,869.44 × 348,168.48
  4. Step 4: Simplify right side
    663,796.32x = 346,730,349,203.25
  5. Step 5: Solve for x
    x = 346,730,349,203.25/663,796.32
  6. Step 6: Final answer
    x = 522,344.49

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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.