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Finding the Fourth Proportional to 1,250,172, 1,875,575.52 and 363,708

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Solution

The fourth proportional to 1,250,172, 1,875,575.52 and 363,708 is: 545,654.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,250,172 : 1,875,575.52 = 363,708 : x
  2. Step 2: Convert to fraction form
    1,250,172/1,875,575.52 = 363,708/x
  3. Step 3: Cross multiply
    1,250,172x = 1,875,575.52 × 363,708
  4. Step 4: Simplify right side
    1,250,172x = 682,161,821,228.16
  5. Step 5: Solve for x
    x = 682,161,821,228.16/1,250,172
  6. Step 6: Final answer
    x = 545,654.37

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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.