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Finding the Fourth Proportional to 335,836.32, 503,809.12 and 99,202.88

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Solution

The fourth proportional to 335,836.32, 503,809.12 and 99,202.88 is: 148,820.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,836.32 : 503,809.12 = 99,202.88 : x
  2. Step 2: Convert to fraction form
    335,836.32/503,809.12 = 99,202.88/x
  3. Step 3: Cross multiply
    335,836.32x = 503,809.12 × 99,202.88
  4. Step 4: Simplify right side
    335,836.32x = 49,979,315,674.27
  5. Step 5: Solve for x
    x = 49,979,315,674.27/335,836.32
  6. Step 6: Final answer
    x = 148,820.46

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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.