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Finding the Fourth Proportional to 335,840.32, 503,815.12 and 99,206.88

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Solution

The fourth proportional to 335,840.32, 503,815.12 and 99,206.88 is: 148,826.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,840.32 : 503,815.12 = 99,206.88 : x
  2. Step 2: Convert to fraction form
    335,840.32/503,815.12 = 99,206.88/x
  3. Step 3: Cross multiply
    335,840.32x = 503,815.12 × 99,206.88
  4. Step 4: Simplify right side
    335,840.32x = 49,981,926,152.03
  5. Step 5: Solve for x
    x = 49,981,926,152.03/335,840.32
  6. Step 6: Final answer
    x = 148,826.46

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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.