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Finding the Fourth Proportional to 483,109.60, 723,789.60 and 413,125.60

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Solution

The fourth proportional to 483,109.60, 723,789.60 and 413,125.60 is: 618,940.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,109.60 : 723,789.60 = 413,125.60 : x
  2. Step 2: Convert to fraction form
    483,109.60/723,789.60 = 413,125.60/x
  3. Step 3: Cross multiply
    483,109.60x = 723,789.60 × 413,125.60
  4. Step 4: Simplify right side
    483,109.60x = 299,016,012,773.76
  5. Step 5: Solve for x
    x = 299,016,012,773.76/483,109.60
  6. Step 6: Final answer
    x = 618,940.32

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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.