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Finding the Fourth Proportional to 307,044.40, 460,566.60 and 217,814.80

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Solution

The fourth proportional to 307,044.40, 460,566.60 and 217,814.80 is: 326,722.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,044.40 : 460,566.60 = 217,814.80 : x
  2. Step 2: Convert to fraction form
    307,044.40/460,566.60 = 217,814.80/x
  3. Step 3: Cross multiply
    307,044.40x = 460,566.60 × 217,814.80
  4. Step 4: Simplify right side
    307,044.40x = 100,318,221,865.68
  5. Step 5: Solve for x
    x = 100,318,221,865.68/307,044.40
  6. Step 6: Final answer
    x = 326,722.20

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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.