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Finding the Fourth Proportional to 337,245.06, 505,802.70 and 157,280.88

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Solution

The fourth proportional to 337,245.06, 505,802.70 and 157,280.88 is: 235,891.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,245.06 : 505,802.70 = 157,280.88 : x
  2. Step 2: Convert to fraction form
    337,245.06/505,802.70 = 157,280.88/x
  3. Step 3: Cross multiply
    337,245.06x = 505,802.70 × 157,280.88
  4. Step 4: Simplify right side
    337,245.06x = 79,553,093,762.38
  5. Step 5: Solve for x
    x = 79,553,093,762.38/337,245.06
  6. Step 6: Final answer
    x = 235,891.06

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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.