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Finding the Fourth Proportional to 335,847.60, 503,948.52 and 148,878

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Solution

The fourth proportional to 335,847.60, 503,948.52 and 148,878 is: 223,395.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,847.60 : 503,948.52 = 148,878 : x
  2. Step 2: Convert to fraction form
    335,847.60/503,948.52 = 148,878/x
  3. Step 3: Cross multiply
    335,847.60x = 503,948.52 × 148,878
  4. Step 4: Simplify right side
    335,847.60x = 75,026,847,760.56
  5. Step 5: Solve for x
    x = 75,026,847,760.56/335,847.60
  6. Step 6: Final answer
    x = 223,395.52

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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.