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Finding the Fourth Proportional to 343,297.92, 514,820.48 and 118,600.68

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Solution

The fourth proportional to 343,297.92, 514,820.48 and 118,600.68 is: 177,857.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,297.92 : 514,820.48 = 118,600.68 : x
  2. Step 2: Convert to fraction form
    343,297.92/514,820.48 = 118,600.68/x
  3. Step 3: Cross multiply
    343,297.92x = 514,820.48 × 118,600.68
  4. Step 4: Simplify right side
    343,297.92x = 61,058,058,412.92
  5. Step 5: Solve for x
    x = 61,058,058,412.92/343,297.92
  6. Step 6: Final answer
    x = 177,857.35

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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.