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Finding the Fourth Proportional to 365,009.39, 503,707.60 and 203,866.67

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Solution

The fourth proportional to 365,009.39, 503,707.60 and 203,866.67 is: 281,333.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,009.39 : 503,707.60 = 203,866.67 : x
  2. Step 2: Convert to fraction form
    365,009.39/503,707.60 = 203,866.67/x
  3. Step 3: Cross multiply
    365,009.39x = 503,707.60 × 203,866.67
  4. Step 4: Simplify right side
    365,009.39x = 102,689,187,527.82
  5. Step 5: Solve for x
    x = 102,689,187,527.82/365,009.39
  6. Step 6: Final answer
    x = 281,333.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.