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Finding the Fourth Proportional to 455,902.76, 683,846.58 and 175,480.76

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Solution

The fourth proportional to 455,902.76, 683,846.58 and 175,480.76 is: 263,218.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,902.76 : 683,846.58 = 175,480.76 : x
  2. Step 2: Convert to fraction form
    455,902.76/683,846.58 = 175,480.76/x
  3. Step 3: Cross multiply
    455,902.76x = 683,846.58 × 175,480.76
  4. Step 4: Simplify right side
    455,902.76x = 120,001,917,581.80
  5. Step 5: Solve for x
    x = 120,001,917,581.80/455,902.76
  6. Step 6: Final answer
    x = 263,218.23

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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.