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Finding the Fourth Proportional to 541,622.09, 812,367.53 and 275,573.54

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Solution

The fourth proportional to 541,622.09, 812,367.53 and 275,573.54 is: 413,326.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,622.09 : 812,367.53 = 275,573.54 : x
  2. Step 2: Convert to fraction form
    541,622.09/812,367.53 = 275,573.54/x
  3. Step 3: Cross multiply
    541,622.09x = 812,367.53 × 275,573.54
  4. Step 4: Simplify right side
    541,622.09x = 223,866,997,709.61
  5. Step 5: Solve for x
    x = 223,866,997,709.61/541,622.09
  6. Step 6: Final answer
    x = 413,326.93

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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.