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Finding the Fourth Proportional to 500,137.70, 749,656.16 and 247,043.48

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Solution

The fourth proportional to 500,137.70, 749,656.16 and 247,043.48 is: 370,293.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,137.70 : 749,656.16 = 247,043.48 : x
  2. Step 2: Convert to fraction form
    500,137.70/749,656.16 = 247,043.48/x
  3. Step 3: Cross multiply
    500,137.70x = 749,656.16 × 247,043.48
  4. Step 4: Simplify right side
    500,137.70x = 185,197,665,334.62
  5. Step 5: Solve for x
    x = 185,197,665,334.62/500,137.70
  6. Step 6: Final answer
    x = 370,293.35

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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.