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Finding the Fourth Proportional to 334,383.90, 500,895.45 and 207,635.10

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Solution

The fourth proportional to 334,383.90, 500,895.45 and 207,635.10 is: 311,030.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,383.90 : 500,895.45 = 207,635.10 : x
  2. Step 2: Convert to fraction form
    334,383.90/500,895.45 = 207,635.10/x
  3. Step 3: Cross multiply
    334,383.90x = 500,895.45 × 207,635.10
  4. Step 4: Simplify right side
    334,383.90x = 104,003,476,850.30
  5. Step 5: Solve for x
    x = 104,003,476,850.30/334,383.90
  6. Step 6: Final answer
    x = 311,030.16

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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.