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Finding the Fourth Proportional to 455,375.07, 683,095.40 and 174,892.32

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Solution

The fourth proportional to 455,375.07, 683,095.40 and 174,892.32 is: 262,351.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,375.07 : 683,095.40 = 174,892.32 : x
  2. Step 2: Convert to fraction form
    455,375.07/683,095.40 = 174,892.32/x
  3. Step 3: Cross multiply
    455,375.07x = 683,095.40 × 174,892.32
  4. Step 4: Simplify right side
    455,375.07x = 119,468,138,412.87
  5. Step 5: Solve for x
    x = 119,468,138,412.87/455,375.07
  6. Step 6: Final answer
    x = 262,351.07

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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.