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Finding the Fourth Proportional to 353,768.28, 488,197.83 and 192,623.22

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Solution

The fourth proportional to 353,768.28, 488,197.83 and 192,623.22 is: 265,818.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,768.28 : 488,197.83 = 192,623.22 : x
  2. Step 2: Convert to fraction form
    353,768.28/488,197.83 = 192,623.22/x
  3. Step 3: Cross multiply
    353,768.28x = 488,197.83 × 192,623.22
  4. Step 4: Simplify right side
    353,768.28x = 94,038,238,011.61
  5. Step 5: Solve for x
    x = 94,038,238,011.61/353,768.28
  6. Step 6: Final answer
    x = 265,818.74

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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.