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Finding the Fourth Proportional to 473,680.98, 653,679.92 and 255,889.73

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Solution

The fourth proportional to 473,680.98, 653,679.92 and 255,889.73 is: 353,127.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,680.98 : 653,679.92 = 255,889.73 : x
  2. Step 2: Convert to fraction form
    473,680.98/653,679.92 = 255,889.73/x
  3. Step 3: Cross multiply
    473,680.98x = 653,679.92 × 255,889.73
  4. Step 4: Simplify right side
    473,680.98x = 167,269,980,509.15
  5. Step 5: Solve for x
    x = 167,269,980,509.15/473,680.98
  6. Step 6: Final answer
    x = 353,127.92

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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.