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Finding the Fourth Proportional to 334,495.35, 501,921.60 and 157,003.89

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Solution

The fourth proportional to 334,495.35, 501,921.60 and 157,003.89 is: 235,589.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,495.35 : 501,921.60 = 157,003.89 : x
  2. Step 2: Convert to fraction form
    334,495.35/501,921.60 = 157,003.89/x
  3. Step 3: Cross multiply
    334,495.35x = 501,921.60 × 157,003.89
  4. Step 4: Simplify right side
    334,495.35x = 78,803,643,675.02
  5. Step 5: Solve for x
    x = 78,803,643,675.02/334,495.35
  6. Step 6: Final answer
    x = 235,589.65

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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.