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Finding the Fourth Proportional to 303,604.29, 455,684.27 and 153,947.88

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Solution

The fourth proportional to 303,604.29, 455,684.27 and 153,947.88 is: 231,062.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,604.29 : 455,684.27 = 153,947.88 : x
  2. Step 2: Convert to fraction form
    303,604.29/455,684.27 = 153,947.88/x
  3. Step 3: Cross multiply
    303,604.29x = 455,684.27 × 153,947.88
  4. Step 4: Simplify right side
    303,604.29x = 70,151,626,546.11
  5. Step 5: Solve for x
    x = 70,151,626,546.11/303,604.29
  6. Step 6: Final answer
    x = 231,062.70

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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.