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Finding the Fourth Proportional to 520,096.80, 781,311.60 and 362,632.80

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Solution

The fourth proportional to 520,096.80, 781,311.60 and 362,632.80 is: 544,762.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    520,096.80 : 781,311.60 = 362,632.80 : x
  2. Step 2: Convert to fraction form
    520,096.80/781,311.60 = 362,632.80/x
  3. Step 3: Cross multiply
    520,096.80x = 781,311.60 × 362,632.80
  4. Step 4: Simplify right side
    520,096.80x = 283,329,213,180.48
  5. Step 5: Solve for x
    x = 283,329,213,180.48/520,096.80
  6. Step 6: Final answer
    x = 544,762.46

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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.