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Finding the Fourth Proportional to 284,549.41, 392,222.01 and 192,639.70

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Solution

The fourth proportional to 284,549.41, 392,222.01 and 192,639.70 is: 265,533.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,549.41 : 392,222.01 = 192,639.70 : x
  2. Step 2: Convert to fraction form
    284,549.41/392,222.01 = 192,639.70/x
  3. Step 3: Cross multiply
    284,549.41x = 392,222.01 × 192,639.70
  4. Step 4: Simplify right side
    284,549.41x = 75,557,530,339.80
  5. Step 5: Solve for x
    x = 75,557,530,339.80/284,549.41
  6. Step 6: Final answer
    x = 265,533.96

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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.