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Finding the Fourth Proportional to 335,501.12, 503,562.72 and 169,405.76

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Solution

The fourth proportional to 335,501.12, 503,562.72 and 169,405.76 is: 254,265.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,501.12 : 503,562.72 = 169,405.76 : x
  2. Step 2: Convert to fraction form
    335,501.12/503,562.72 = 169,405.76/x
  3. Step 3: Cross multiply
    335,501.12x = 503,562.72 × 169,405.76
  4. Step 4: Simplify right side
    335,501.12x = 85,306,425,289.27
  5. Step 5: Solve for x
    x = 85,306,425,289.27/335,501.12
  6. Step 6: Final answer
    x = 254,265.69

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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.