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Finding the Fourth Proportional to 466,422.53, 698,512.56 and 266,135.67

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Solution

The fourth proportional to 466,422.53, 698,512.56 and 266,135.67 is: 398,563.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,422.53 : 698,512.56 = 266,135.67 : x
  2. Step 2: Convert to fraction form
    466,422.53/698,512.56 = 266,135.67/x
  3. Step 3: Cross multiply
    466,422.53x = 698,512.56 × 266,135.67
  4. Step 4: Simplify right side
    466,422.53x = 185,899,108,159.02
  5. Step 5: Solve for x
    x = 185,899,108,159.02/466,422.53
  6. Step 6: Final answer
    x = 398,563.74

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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.