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Finding the Fourth Proportional to 259,751.28, 358,538.42 and 152,364.72

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Solution

The fourth proportional to 259,751.28, 358,538.42 and 152,364.72 is: 210,311.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,751.28 : 358,538.42 = 152,364.72 : x
  2. Step 2: Convert to fraction form
    259,751.28/358,538.42 = 152,364.72/x
  3. Step 3: Cross multiply
    259,751.28x = 358,538.42 × 152,364.72
  4. Step 4: Simplify right side
    259,751.28x = 54,628,605,972.54
  5. Step 5: Solve for x
    x = 54,628,605,972.54/259,751.28
  6. Step 6: Final answer
    x = 210,311.21

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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.