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Finding the Fourth Proportional to 356,210.96, 491,571.33 and 192,866.96

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Solution

The fourth proportional to 356,210.96, 491,571.33 and 192,866.96 is: 266,156.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,210.96 : 491,571.33 = 192,866.96 : x
  2. Step 2: Convert to fraction form
    356,210.96/491,571.33 = 192,866.96/x
  3. Step 3: Cross multiply
    356,210.96x = 491,571.33 × 192,866.96
  4. Step 4: Simplify right side
    356,210.96x = 94,807,865,582.40
  5. Step 5: Solve for x
    x = 94,807,865,582.40/356,210.96
  6. Step 6: Final answer
    x = 266,156.51

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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.