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Finding the Fourth Proportional to 556,191.54, 834,352.11 and 201,372.66

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Solution

The fourth proportional to 556,191.54, 834,352.11 and 201,372.66 is: 302,082.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,191.54 : 834,352.11 = 201,372.66 : x
  2. Step 2: Convert to fraction form
    556,191.54/834,352.11 = 201,372.66/x
  3. Step 3: Cross multiply
    556,191.54x = 834,352.11 × 201,372.66
  4. Step 4: Simplify right side
    556,191.54x = 168,015,703,767.31
  5. Step 5: Solve for x
    x = 168,015,703,767.31/556,191.54
  6. Step 6: Final answer
    x = 302,082.45

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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.