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Finding the Fourth Proportional to 343,958.54, 514,602.92 and 301,519.40

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Solution

The fourth proportional to 343,958.54, 514,602.92 and 301,519.40 is: 451,108.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,958.54 : 514,602.92 = 301,519.40 : x
  2. Step 2: Convert to fraction form
    343,958.54/514,602.92 = 301,519.40/x
  3. Step 3: Cross multiply
    343,958.54x = 514,602.92 × 301,519.40
  4. Step 4: Simplify right side
    343,958.54x = 155,162,759,596.04
  5. Step 5: Solve for x
    x = 155,162,759,596.04/343,958.54
  6. Step 6: Final answer
    x = 451,108.91

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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.