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Finding the Fourth Proportional to 516,352.17, 773,974.52 and 249,745.93

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Solution

The fourth proportional to 516,352.17, 773,974.52 and 249,745.93 is: 374,351.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,352.17 : 773,974.52 = 249,745.93 : x
  2. Step 2: Convert to fraction form
    516,352.17/773,974.52 = 249,745.93/x
  3. Step 3: Cross multiply
    516,352.17x = 773,974.52 × 249,745.93
  4. Step 4: Simplify right side
    516,352.17x = 193,296,987,697.78
  5. Step 5: Solve for x
    x = 193,296,987,697.78/516,352.17
  6. Step 6: Final answer
    x = 374,351.07

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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.