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Finding the Fourth Proportional to 217,068.88, 299,390.33 and 190,164.68

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Solution

The fourth proportional to 217,068.88, 299,390.33 and 190,164.68 is: 262,282.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,068.88 : 299,390.33 = 190,164.68 : x
  2. Step 2: Convert to fraction form
    217,068.88/299,390.33 = 190,164.68/x
  3. Step 3: Cross multiply
    217,068.88x = 299,390.33 × 190,164.68
  4. Step 4: Simplify right side
    217,068.88x = 56,933,465,331.04
  5. Step 5: Solve for x
    x = 56,933,465,331.04/217,068.88
  6. Step 6: Final answer
    x = 262,282.95

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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.