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Finding the Fourth Proportional to 345,350.91, 476,598.69 and 192,389.07

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Solution

The fourth proportional to 345,350.91, 476,598.69 and 192,389.07 is: 265,504.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,350.91 : 476,598.69 = 192,389.07 : x
  2. Step 2: Convert to fraction form
    345,350.91/476,598.69 = 192,389.07/x
  3. Step 3: Cross multiply
    345,350.91x = 476,598.69 × 192,389.07
  4. Step 4: Simplify right side
    345,350.91x = 91,692,378,732.32
  5. Step 5: Solve for x
    x = 91,692,378,732.32/345,350.91
  6. Step 6: Final answer
    x = 265,504.96

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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.