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Finding the Fourth Proportional to 671,996.17, 927,354.30 and 370,190.17

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Solution

The fourth proportional to 671,996.17, 927,354.30 and 370,190.17 is: 510,862.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,996.17 : 927,354.30 = 370,190.17 : x
  2. Step 2: Convert to fraction form
    671,996.17/927,354.30 = 370,190.17/x
  3. Step 3: Cross multiply
    671,996.17x = 927,354.30 × 370,190.17
  4. Step 4: Simplify right side
    671,996.17x = 343,297,445,967.23
  5. Step 5: Solve for x
    x = 343,297,445,967.23/671,996.17
  6. Step 6: Final answer
    x = 510,862.21

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Double scale
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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.