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Finding the Fourth Proportional to 270,016.60, 404,150.10 and 191,284.60

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Solution

The fourth proportional to 270,016.60, 404,150.10 and 191,284.60 is: 286,307.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,016.60 : 404,150.10 = 191,284.60 : x
  2. Step 2: Convert to fraction form
    270,016.60/404,150.10 = 191,284.60/x
  3. Step 3: Cross multiply
    270,016.60x = 404,150.10 × 191,284.60
  4. Step 4: Simplify right side
    270,016.60x = 77,307,690,218.46
  5. Step 5: Solve for x
    x = 77,307,690,218.46/270,016.60
  6. Step 6: Final answer
    x = 286,307.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.