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Finding the Fourth Proportional to 334,575.30, 501,696.90 and 121,334.70

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Solution

The fourth proportional to 334,575.30, 501,696.90 and 121,334.70 is: 181,941.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,575.30 : 501,696.90 = 121,334.70 : x
  2. Step 2: Convert to fraction form
    334,575.30/501,696.90 = 121,334.70/x
  3. Step 3: Cross multiply
    334,575.30x = 501,696.90 × 121,334.70
  4. Step 4: Simplify right side
    334,575.30x = 60,873,242,852.43
  5. Step 5: Solve for x
    x = 60,873,242,852.43/334,575.30
  6. Step 6: Final answer
    x = 181,941.83

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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.