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Finding the Fourth Proportional to 655,242.50, 983,004.08 and 371,067.37

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Solution

The fourth proportional to 655,242.50, 983,004.08 and 371,067.37 is: 556,680.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,242.50 : 983,004.08 = 371,067.37 : x
  2. Step 2: Convert to fraction form
    655,242.50/983,004.08 = 371,067.37/x
  3. Step 3: Cross multiply
    655,242.50x = 983,004.08 × 371,067.37
  4. Step 4: Simplify right side
    655,242.50x = 364,760,734,352.02
  5. Step 5: Solve for x
    x = 364,760,734,352.02/655,242.50
  6. Step 6: Final answer
    x = 556,680.52

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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.