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Finding the Fourth Proportional to 556,791.85, 835,094.89 and 157,341.43

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Solution

The fourth proportional to 556,791.85, 835,094.89 and 157,341.43 is: 235,985.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,791.85 : 835,094.89 = 157,341.43 : x
  2. Step 2: Convert to fraction form
    556,791.85/835,094.89 = 157,341.43/x
  3. Step 3: Cross multiply
    556,791.85x = 835,094.89 × 157,341.43
  4. Step 4: Simplify right side
    556,791.85x = 131,395,024,178.29
  5. Step 5: Solve for x
    x = 131,395,024,178.29/556,791.85
  6. Step 6: Final answer
    x = 235,985.90

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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.