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Finding the Fourth Proportional to 235,863.06, 325,809.45 and 188,448.90

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Solution

The fourth proportional to 235,863.06, 325,809.45 and 188,448.90 is: 260,313.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,863.06 : 325,809.45 = 188,448.90 : x
  2. Step 2: Convert to fraction form
    235,863.06/325,809.45 = 188,448.90/x
  3. Step 3: Cross multiply
    235,863.06x = 325,809.45 × 188,448.90
  4. Step 4: Simplify right side
    235,863.06x = 61,398,432,462.11
  5. Step 5: Solve for x
    x = 61,398,432,462.11/235,863.06
  6. Step 6: Final answer
    x = 260,313.90

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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.