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Finding the Fourth Proportional to 345,358.58, 476,587.63 and 192,396.56

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Solution

The fourth proportional to 345,358.58, 476,587.63 and 192,396.56 is: 265,503.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,358.58 : 476,587.63 = 192,396.56 : x
  2. Step 2: Convert to fraction form
    345,358.58/476,587.63 = 192,396.56/x
  3. Step 3: Cross multiply
    345,358.58x = 476,587.63 × 192,396.56
  4. Step 4: Simplify right side
    345,358.58x = 91,693,820,550.55
  5. Step 5: Solve for x
    x = 91,693,820,550.55/345,358.58
  6. Step 6: Final answer
    x = 265,503.24

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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.