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Finding the Fourth Proportional to 345,365.95, 517,092.46 and 176,522.72

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Solution

The fourth proportional to 345,365.95, 517,092.46 and 176,522.72 is: 264,295.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,365.95 : 517,092.46 = 176,522.72 : x
  2. Step 2: Convert to fraction form
    345,365.95/517,092.46 = 176,522.72/x
  3. Step 3: Cross multiply
    345,365.95x = 517,092.46 × 176,522.72
  4. Step 4: Simplify right side
    345,365.95x = 91,278,565,958.24
  5. Step 5: Solve for x
    x = 91,278,565,958.24/345,365.95
  6. Step 6: Final answer
    x = 264,295.21

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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.