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Finding the Fourth Proportional to 369,850.60, 510,408.30 and 216,867.52

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Solution

The fourth proportional to 369,850.60, 510,408.30 and 216,867.52 is: 299,285.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,850.60 : 510,408.30 = 216,867.52 : x
  2. Step 2: Convert to fraction form
    369,850.60/510,408.30 = 216,867.52/x
  3. Step 3: Cross multiply
    369,850.60x = 510,408.30 × 216,867.52
  4. Step 4: Simplify right side
    369,850.60x = 110,690,982,208.42
  5. Step 5: Solve for x
    x = 110,690,982,208.42/369,850.60
  6. Step 6: Final answer
    x = 299,285.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.