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Finding the Fourth Proportional to 345,616.66, 476,903.91 and 192,636.69

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Solution

The fourth proportional to 345,616.66, 476,903.91 and 192,636.69 is: 265,812.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,616.66 : 476,903.91 = 192,636.69 : x
  2. Step 2: Convert to fraction form
    345,616.66/476,903.91 = 192,636.69/x
  3. Step 3: Cross multiply
    345,616.66x = 476,903.91 × 192,636.69
  4. Step 4: Simplify right side
    345,616.66x = 91,869,189,707.27
  5. Step 5: Solve for x
    x = 91,869,189,707.27/345,616.66
  6. Step 6: Final answer
    x = 265,812.39

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1.5x scale

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.