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Finding the Fourth Proportional to 334,820.70, 501,803.98 and 156,935.80

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Solution

The fourth proportional to 334,820.70, 501,803.98 and 156,935.80 is: 235,203.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,820.70 : 501,803.98 = 156,935.80 : x
  2. Step 2: Convert to fraction form
    334,820.70/501,803.98 = 156,935.80/x
  3. Step 3: Cross multiply
    334,820.70x = 501,803.98 × 156,935.80
  4. Step 4: Simplify right side
    334,820.70x = 78,751,009,044.48
  5. Step 5: Solve for x
    x = 78,751,009,044.48/334,820.70
  6. Step 6: Final answer
    x = 235,203.53

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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.