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Finding the Fourth Proportional to 466,720.98, 700,076.88 and 213,929.70

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Solution

The fourth proportional to 466,720.98, 700,076.88 and 213,929.70 is: 320,892.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,720.98 : 700,076.88 = 213,929.70 : x
  2. Step 2: Convert to fraction form
    466,720.98/700,076.88 = 213,929.70/x
  3. Step 3: Cross multiply
    466,720.98x = 700,076.88 × 213,929.70
  4. Step 4: Simplify right side
    466,720.98x = 149,767,236,915.34
  5. Step 5: Solve for x
    x = 149,767,236,915.34/466,720.98
  6. Step 6: Final answer
    x = 320,892.45

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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.