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Finding the Fourth Proportional to 342,859.03, 473,146.82 and 199,717.45

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Solution

The fourth proportional to 342,859.03, 473,146.82 and 199,717.45 is: 275,610.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,859.03 : 473,146.82 = 199,717.45 : x
  2. Step 2: Convert to fraction form
    342,859.03/473,146.82 = 199,717.45/x
  3. Step 3: Cross multiply
    342,859.03x = 473,146.82 × 199,717.45
  4. Step 4: Simplify right side
    342,859.03x = 94,495,674,933.50
  5. Step 5: Solve for x
    x = 94,495,674,933.50/342,859.03
  6. Step 6: Final answer
    x = 275,610.87

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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.