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Finding the Fourth Proportional to 437,281.50, 603,491.40 and 255,982.44

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Solution

The fourth proportional to 437,281.50, 603,491.40 and 255,982.44 is: 353,280.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,281.50 : 603,491.40 = 255,982.44 : x
  2. Step 2: Convert to fraction form
    437,281.50/603,491.40 = 255,982.44/x
  3. Step 3: Cross multiply
    437,281.50x = 603,491.40 × 255,982.44
  4. Step 4: Simplify right side
    437,281.50x = 154,483,201,091.02
  5. Step 5: Solve for x
    x = 154,483,201,091.02/437,281.50
  6. Step 6: Final answer
    x = 353,280.90

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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.