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Finding the Fourth Proportional to 298,529.85, 411,535.98 and 226,785.33

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Solution

The fourth proportional to 298,529.85, 411,535.98 and 226,785.33 is: 312,633.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,529.85 : 411,535.98 = 226,785.33 : x
  2. Step 2: Convert to fraction form
    298,529.85/411,535.98 = 226,785.33/x
  3. Step 3: Cross multiply
    298,529.85x = 411,535.98 × 226,785.33
  4. Step 4: Simplify right side
    298,529.85x = 93,330,323,031.17
  5. Step 5: Solve for x
    x = 93,330,323,031.17/298,529.85
  6. Step 6: Final answer
    x = 312,633.14

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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.