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Finding the Fourth Proportional to 334,138.32, 501,456.64 and 134,460.48

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Solution

The fourth proportional to 334,138.32, 501,456.64 and 134,460.48 is: 201,790.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,138.32 : 501,456.64 = 134,460.48 : x
  2. Step 2: Convert to fraction form
    334,138.32/501,456.64 = 134,460.48/x
  3. Step 3: Cross multiply
    334,138.32x = 501,456.64 × 134,460.48
  4. Step 4: Simplify right side
    334,138.32x = 67,426,100,513.59
  5. Step 5: Solve for x
    x = 67,426,100,513.59/334,138.32
  6. Step 6: Final answer
    x = 201,790.98

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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.