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Finding the Fourth Proportional to 223,073.76, 306,658.02 and 191,915.13

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Solution

The fourth proportional to 223,073.76, 306,658.02 and 191,915.13 is: 263,824.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,073.76 : 306,658.02 = 191,915.13 : x
  2. Step 2: Convert to fraction form
    223,073.76/306,658.02 = 191,915.13/x
  3. Step 3: Cross multiply
    223,073.76x = 306,658.02 × 191,915.13
  4. Step 4: Simplify right side
    223,073.76x = 58,852,313,773.84
  5. Step 5: Solve for x
    x = 58,852,313,773.84/223,073.76
  6. Step 6: Final answer
    x = 263,824.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.