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Finding the Fourth Proportional to 335,861.60, 503,674.80 and 99,141.60

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Solution

The fourth proportional to 335,861.60, 503,674.80 and 99,141.60 is: 148,677.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,861.60 : 503,674.80 = 99,141.60 : x
  2. Step 2: Convert to fraction form
    335,861.60/503,674.80 = 99,141.60/x
  3. Step 3: Cross multiply
    335,861.60x = 503,674.80 × 99,141.60
  4. Step 4: Simplify right side
    335,861.60x = 49,935,125,551.68
  5. Step 5: Solve for x
    x = 49,935,125,551.68/335,861.60
  6. Step 6: Final answer
    x = 148,677.69

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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.