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Finding the Fourth Proportional to 345,355.57, 476,583.50 and 192,393.55

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Solution

The fourth proportional to 345,355.57, 476,583.50 and 192,393.55 is: 265,499.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,355.57 : 476,583.50 = 192,393.55 : x
  2. Step 2: Convert to fraction form
    345,355.57/476,583.50 = 192,393.55/x
  3. Step 3: Cross multiply
    345,355.57x = 476,583.50 × 192,393.55
  4. Step 4: Simplify right side
    345,355.57x = 91,691,590,725.95
  5. Step 5: Solve for x
    x = 91,691,590,725.95/345,355.57
  6. Step 6: Final answer
    x = 265,499.10

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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.