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Finding the Fourth Proportional to 504,858.80, 757,801.70 and 252,320.47

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Solution

The fourth proportional to 504,858.80, 757,801.70 and 252,320.47 is: 378,737.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,858.80 : 757,801.70 = 252,320.47 : x
  2. Step 2: Convert to fraction form
    504,858.80/757,801.70 = 252,320.47/x
  3. Step 3: Cross multiply
    504,858.80x = 757,801.70 × 252,320.47
  4. Step 4: Simplify right side
    504,858.80x = 191,208,881,110.80
  5. Step 5: Solve for x
    x = 191,208,881,110.80/504,858.80
  6. Step 6: Final answer
    x = 378,737.34

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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.