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Finding the Fourth Proportional to 556,216.11, 834,407.45 and 201,313.17

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Solution

The fourth proportional to 556,216.11, 834,407.45 and 201,313.17 is: 301,999.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,216.11 : 834,407.45 = 201,313.17 : x
  2. Step 2: Convert to fraction form
    556,216.11/834,407.45 = 201,313.17/x
  3. Step 3: Cross multiply
    556,216.11x = 834,407.45 × 201,313.17
  4. Step 4: Simplify right side
    556,216.11x = 167,977,204,290.73
  5. Step 5: Solve for x
    x = 167,977,204,290.73/556,216.11
  6. Step 6: Final answer
    x = 301,999.89

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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.