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Finding the Fourth Proportional to 671,996.54, 927,354.82 and 370,190.54

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Solution

The fourth proportional to 671,996.54, 927,354.82 and 370,190.54 is: 510,862.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,996.54 : 927,354.82 = 370,190.54 : x
  2. Step 2: Convert to fraction form
    671,996.54/927,354.82 = 370,190.54/x
  3. Step 3: Cross multiply
    671,996.54x = 927,354.82 × 370,190.54
  4. Step 4: Simplify right side
    671,996.54x = 343,297,982,980.31
  5. Step 5: Solve for x
    x = 343,297,982,980.31/671,996.54
  6. Step 6: Final answer
    x = 510,862.72

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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.