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Finding the Fourth Proportional to 334,519.60, 501,390.60 and 134,741.20

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Solution

The fourth proportional to 334,519.60, 501,390.60 and 134,741.20 is: 201,955.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,519.60 : 501,390.60 = 134,741.20 : x
  2. Step 2: Convert to fraction form
    334,519.60/501,390.60 = 134,741.20/x
  3. Step 3: Cross multiply
    334,519.60x = 501,390.60 × 134,741.20
  4. Step 4: Simplify right side
    334,519.60x = 67,557,971,112.72
  5. Step 5: Solve for x
    x = 67,557,971,112.72/334,519.60
  6. Step 6: Final answer
    x = 201,955.20

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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.