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Finding the Fourth Proportional to 527,334.39, 790,839.99 and 190,333.89

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Solution

The fourth proportional to 527,334.39, 790,839.99 and 190,333.89 is: 285,442.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,334.39 : 790,839.99 = 190,333.89 : x
  2. Step 2: Convert to fraction form
    527,334.39/790,839.99 = 190,333.89/x
  3. Step 3: Cross multiply
    527,334.39x = 790,839.99 × 190,333.89
  4. Step 4: Simplify right side
    527,334.39x = 150,523,651,664.26
  5. Step 5: Solve for x
    x = 150,523,651,664.26/527,334.39
  6. Step 6: Final answer
    x = 285,442.51

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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.