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Finding the Fourth Proportional to 298,311.04, 411,821.58 and 230,174.92

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Solution

The fourth proportional to 298,311.04, 411,821.58 and 230,174.92 is: 317,758.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,311.04 : 411,821.58 = 230,174.92 : x
  2. Step 2: Convert to fraction form
    298,311.04/411,821.58 = 230,174.92/x
  3. Step 3: Cross multiply
    298,311.04x = 411,821.58 × 230,174.92
  4. Step 4: Simplify right side
    298,311.04x = 94,790,999,230.77
  5. Step 5: Solve for x
    x = 94,790,999,230.77/298,311.04
  6. Step 6: Final answer
    x = 317,758.94

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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.