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Finding the Fourth Proportional to 335,624.80, 503,436.60 and 99,133.56

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Solution

The fourth proportional to 335,624.80, 503,436.60 and 99,133.56 is: 148,700.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,624.80 : 503,436.60 = 99,133.56 : x
  2. Step 2: Convert to fraction form
    335,624.80/503,436.60 = 99,133.56/x
  3. Step 3: Cross multiply
    335,624.80x = 503,436.60 × 99,133.56
  4. Step 4: Simplify right side
    335,624.80x = 49,907,462,392.30
  5. Step 5: Solve for x
    x = 49,907,462,392.30/335,624.80
  6. Step 6: Final answer
    x = 148,700.16

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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.