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Finding the Fourth Proportional to 546,512.62, 814,274.02 and 515,954.76

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Solution

The fourth proportional to 546,512.62, 814,274.02 and 515,954.76 is: 768,744.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,512.62 : 814,274.02 = 515,954.76 : x
  2. Step 2: Convert to fraction form
    546,512.62/814,274.02 = 515,954.76/x
  3. Step 3: Cross multiply
    546,512.62x = 814,274.02 × 515,954.76
  4. Step 4: Simplify right side
    546,512.62x = 420,128,556,563.34
  5. Step 5: Solve for x
    x = 420,128,556,563.34/546,512.62
  6. Step 6: Final answer
    x = 768,744.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.