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Finding the Fourth Proportional to 356,008.29, 491,287.28 and 192,661.01

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Solution

The fourth proportional to 356,008.29, 491,287.28 and 192,661.01 is: 265,869.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,008.29 : 491,287.28 = 192,661.01 : x
  2. Step 2: Convert to fraction form
    356,008.29/491,287.28 = 192,661.01/x
  3. Step 3: Cross multiply
    356,008.29x = 491,287.28 × 192,661.01
  4. Step 4: Simplify right side
    356,008.29x = 94,651,903,564.95
  5. Step 5: Solve for x
    x = 94,651,903,564.95/356,008.29
  6. Step 6: Final answer
    x = 265,869.94

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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.