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Finding the Fourth Proportional to 455,323.78, 683,018.83 and 174,841.03

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Solution

The fourth proportional to 455,323.78, 683,018.83 and 174,841.03 is: 262,274.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,323.78 : 683,018.83 = 174,841.03 : x
  2. Step 2: Convert to fraction form
    455,323.78/683,018.83 = 174,841.03/x
  3. Step 3: Cross multiply
    455,323.78x = 683,018.83 × 174,841.03
  4. Step 4: Simplify right side
    455,323.78x = 119,419,716,818.92
  5. Step 5: Solve for x
    x = 119,419,716,818.92/455,323.78
  6. Step 6: Final answer
    x = 262,274.28

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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.