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Finding the Fourth Proportional to 541,806.40, 812,806.80 and 226,295.20

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Solution

The fourth proportional to 541,806.40, 812,806.80 and 226,295.20 is: 339,483.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,806.40 : 812,806.80 = 226,295.20 : x
  2. Step 2: Convert to fraction form
    541,806.40/812,806.80 = 226,295.20/x
  3. Step 3: Cross multiply
    541,806.40x = 812,806.80 × 226,295.20
  4. Step 4: Simplify right side
    541,806.40x = 183,934,277,367.36
  5. Step 5: Solve for x
    x = 183,934,277,367.36/541,806.40
  6. Step 6: Final answer
    x = 339,483.40

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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.