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Finding the Fourth Proportional to 335,662.48, 503,320.58 and 98,974.40

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Solution

The fourth proportional to 335,662.48, 503,320.58 and 98,974.40 is: 148,410.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,662.48 : 503,320.58 = 98,974.40 : x
  2. Step 2: Convert to fraction form
    335,662.48/503,320.58 = 98,974.40/x
  3. Step 3: Cross multiply
    335,662.48x = 503,320.58 × 98,974.40
  4. Step 4: Simplify right side
    335,662.48x = 49,815,851,918.28
  5. Step 5: Solve for x
    x = 49,815,851,918.28/335,662.48
  6. Step 6: Final answer
    x = 148,410.55

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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.