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Finding the Fourth Proportional to 228,185.84, 340,632.46 and 192,796.40

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Solution

The fourth proportional to 228,185.84, 340,632.46 and 192,796.40 is: 287,803.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,185.84 : 340,632.46 = 192,796.40 : x
  2. Step 2: Convert to fraction form
    228,185.84/340,632.46 = 192,796.40/x
  3. Step 3: Cross multiply
    228,185.84x = 340,632.46 × 192,796.40
  4. Step 4: Simplify right side
    228,185.84x = 65,672,712,011.14
  5. Step 5: Solve for x
    x = 65,672,712,011.14/228,185.84
  6. Step 6: Final answer
    x = 287,803.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.