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Finding the Fourth Proportional to 334,463.70, 501,564.80 and 121,180.98

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Solution

The fourth proportional to 334,463.70, 501,564.80 and 121,180.98 is: 181,724.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,463.70 : 501,564.80 = 121,180.98 : x
  2. Step 2: Convert to fraction form
    334,463.70/501,564.80 = 121,180.98/x
  3. Step 3: Cross multiply
    334,463.70x = 501,564.80 × 121,180.98
  4. Step 4: Simplify right side
    334,463.70x = 60,780,113,997.50
  5. Step 5: Solve for x
    x = 60,780,113,997.50/334,463.70
  6. Step 6: Final answer
    x = 181,724.10

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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.