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Finding the Fourth Proportional to 343,894.53, 515,606.49 and 175,088.19

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Solution

The fourth proportional to 343,894.53, 515,606.49 and 175,088.19 is: 262,512.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,894.53 : 515,606.49 = 175,088.19 : x
  2. Step 2: Convert to fraction form
    343,894.53/515,606.49 = 175,088.19/x
  3. Step 3: Cross multiply
    343,894.53x = 515,606.49 × 175,088.19
  4. Step 4: Simplify right side
    343,894.53x = 90,276,607,086.35
  5. Step 5: Solve for x
    x = 90,276,607,086.35/343,894.53
  6. Step 6: Final answer
    x = 262,512.48

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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.