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Finding the Fourth Proportional to 304,155.40, 455,859.42 and 170,755.96

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Solution

The fourth proportional to 304,155.40, 455,859.42 and 170,755.96 is: 255,924.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,155.40 : 455,859.42 = 170,755.96 : x
  2. Step 2: Convert to fraction form
    304,155.40/455,859.42 = 170,755.96/x
  3. Step 3: Cross multiply
    304,155.40x = 455,859.42 × 170,755.96
  4. Step 4: Simplify right side
    304,155.40x = 77,840,712,887.14
  5. Step 5: Solve for x
    x = 77,840,712,887.14/304,155.40
  6. Step 6: Final answer
    x = 255,924.15

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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.