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Finding the Fourth Proportional to 334,911.17, 502,383.17 and 135,206.64

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Solution

The fourth proportional to 334,911.17, 502,383.17 and 135,206.64 is: 202,816.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,911.17 : 502,383.17 = 135,206.64 : x
  2. Step 2: Convert to fraction form
    334,911.17/502,383.17 = 135,206.64/x
  3. Step 3: Cross multiply
    334,911.17x = 502,383.17 × 135,206.64
  4. Step 4: Simplify right side
    334,911.17x = 67,925,540,746.27
  5. Step 5: Solve for x
    x = 67,925,540,746.27/334,911.17
  6. Step 6: Final answer
    x = 202,816.59

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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.