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Finding the Fourth Proportional to 335,843.60, 503,647.80 and 99,123.60

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Solution

The fourth proportional to 335,843.60, 503,647.80 and 99,123.60 is: 148,650.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,843.60 : 503,647.80 = 99,123.60 : x
  2. Step 2: Convert to fraction form
    335,843.60/503,647.80 = 99,123.60/x
  3. Step 3: Cross multiply
    335,843.60x = 503,647.80 × 99,123.60
  4. Step 4: Simplify right side
    335,843.60x = 49,923,383,068.08
  5. Step 5: Solve for x
    x = 49,923,383,068.08/335,843.60
  6. Step 6: Final answer
    x = 148,650.69

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1.5x scale

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.