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Finding the Fourth Proportional to 345,371.01, 476,626.70 and 192,409.11

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Solution

The fourth proportional to 345,371.01, 476,626.70 and 192,409.11 is: 265,532.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,371.01 : 476,626.70 = 192,409.11 : x
  2. Step 2: Convert to fraction form
    345,371.01/476,626.70 = 192,409.11/x
  3. Step 3: Cross multiply
    345,371.01x = 476,626.70 × 192,409.11
  4. Step 4: Simplify right side
    345,371.01x = 91,707,318,547.96
  5. Step 5: Solve for x
    x = 91,707,318,547.96/345,371.01
  6. Step 6: Final answer
    x = 265,532.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.