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Finding the Fourth Proportional to 259,364.37, 358,012.14 and 151,969.17

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Solution

The fourth proportional to 259,364.37, 358,012.14 and 151,969.17 is: 209,769.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,364.37 : 358,012.14 = 151,969.17 : x
  2. Step 2: Convert to fraction form
    259,364.37/358,012.14 = 151,969.17/x
  3. Step 3: Cross multiply
    259,364.37x = 358,012.14 × 151,969.17
  4. Step 4: Simplify right side
    259,364.37x = 54,406,807,765.72
  5. Step 5: Solve for x
    x = 54,406,807,765.72/259,364.37
  6. Step 6: Final answer
    x = 209,769.78

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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.