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Finding the Fourth Proportional to 455,955.16, 629,250.69 and 252,001.69

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Solution

The fourth proportional to 455,955.16, 629,250.69 and 252,001.69 is: 347,780.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,955.16 : 629,250.69 = 252,001.69 : x
  2. Step 2: Convert to fraction form
    455,955.16/629,250.69 = 252,001.69/x
  3. Step 3: Cross multiply
    455,955.16x = 629,250.69 × 252,001.69
  4. Step 4: Simplify right side
    455,955.16x = 158,572,234,167.41
  5. Step 5: Solve for x
    x = 158,572,234,167.41/455,955.16
  6. Step 6: Final answer
    x = 347,780.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.