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Finding the Fourth Proportional to 654,203.52, 980,723.52 and 254,751.36

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Solution

The fourth proportional to 654,203.52, 980,723.52 and 254,751.36 is: 381,900.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,203.52 : 980,723.52 = 254,751.36 : x
  2. Step 2: Convert to fraction form
    654,203.52/980,723.52 = 254,751.36/x
  3. Step 3: Cross multiply
    654,203.52x = 980,723.52 × 254,751.36
  4. Step 4: Simplify right side
    654,203.52x = 249,840,650,503.99
  5. Step 5: Solve for x
    x = 249,840,650,503.99/654,203.52
  6. Step 6: Final answer
    x = 381,900.50

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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.