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Finding the Fourth Proportional to 340,158.60, 469,483.83 and 225,234.54

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Solution

The fourth proportional to 340,158.60, 469,483.83 and 225,234.54 is: 310,866.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,158.60 : 469,483.83 = 225,234.54 : x
  2. Step 2: Convert to fraction form
    340,158.60/469,483.83 = 225,234.54/x
  3. Step 3: Cross multiply
    340,158.60x = 469,483.83 × 225,234.54
  4. Step 4: Simplify right side
    340,158.60x = 105,743,974,487.49
  5. Step 5: Solve for x
    x = 105,743,974,487.49/340,158.60
  6. Step 6: Final answer
    x = 310,866.68

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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.