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Finding the Fourth Proportional to 303,357.69, 455,430.20 and 233,286.21

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Solution

The fourth proportional to 303,357.69, 455,430.20 and 233,286.21 is: 350,232.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,357.69 : 455,430.20 = 233,286.21 : x
  2. Step 2: Convert to fraction form
    303,357.69/455,430.20 = 233,286.21/x
  3. Step 3: Cross multiply
    303,357.69x = 455,430.20 × 233,286.21
  4. Step 4: Simplify right side
    303,357.69x = 106,245,584,111.11
  5. Step 5: Solve for x
    x = 106,245,584,111.11/303,357.69
  6. Step 6: Final answer
    x = 350,232.04

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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.