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Finding the Fourth Proportional to 313,285.96, 469,296.82 and 144,571.87

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Solution

The fourth proportional to 313,285.96, 469,296.82 and 144,571.87 is: 216,566.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,285.96 : 469,296.82 = 144,571.87 : x
  2. Step 2: Convert to fraction form
    313,285.96/469,296.82 = 144,571.87/x
  3. Step 3: Cross multiply
    313,285.96x = 469,296.82 × 144,571.87
  4. Step 4: Simplify right side
    313,285.96x = 67,847,115,783.11
  5. Step 5: Solve for x
    x = 67,847,115,783.11/313,285.96
  6. Step 6: Final answer
    x = 216,566.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.