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Finding the Fourth Proportional to 270,717.96, 404,139.39 and 235,298.28

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Solution

The fourth proportional to 270,717.96, 404,139.39 and 235,298.28 is: 351,263.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,717.96 : 404,139.39 = 235,298.28 : x
  2. Step 2: Convert to fraction form
    270,717.96/404,139.39 = 235,298.28/x
  3. Step 3: Cross multiply
    270,717.96x = 404,139.39 × 235,298.28
  4. Step 4: Simplify right side
    270,717.96x = 95,093,303,347.25
  5. Step 5: Solve for x
    x = 95,093,303,347.25/270,717.96
  6. Step 6: Final answer
    x = 351,263.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.