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Finding the Fourth Proportional to 303,411.87, 455,167.17 and 113,887.13

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Solution

The fourth proportional to 303,411.87, 455,167.17 and 113,887.13 is: 170,849.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,411.87 : 455,167.17 = 113,887.13 : x
  2. Step 2: Convert to fraction form
    303,411.87/455,167.17 = 113,887.13/x
  3. Step 3: Cross multiply
    303,411.87x = 455,167.17 × 113,887.13
  4. Step 4: Simplify right side
    303,411.87x = 51,837,680,385.69
  5. Step 5: Solve for x
    x = 51,837,680,385.69/303,411.87
  6. Step 6: Final answer
    x = 170,849.22

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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.