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Finding the Fourth Proportional to 343,450.80, 473,961.78 and 192,547.80

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Solution

The fourth proportional to 343,450.80, 473,961.78 and 192,547.80 is: 265,715.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,450.80 : 473,961.78 = 192,547.80 : x
  2. Step 2: Convert to fraction form
    343,450.80/473,961.78 = 192,547.80/x
  3. Step 3: Cross multiply
    343,450.80x = 473,961.78 × 192,547.80
  4. Step 4: Simplify right side
    343,450.80x = 91,260,298,023.08
  5. Step 5: Solve for x
    x = 91,260,298,023.08/343,450.80
  6. Step 6: Final answer
    x = 265,715.78

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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.