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Finding the Fourth Proportional to 580,342.31, 799,555.01 and 449,068.62

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Solution

The fourth proportional to 580,342.31, 799,555.01 and 449,068.62 is: 618,695.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,342.31 : 799,555.01 = 449,068.62 : x
  2. Step 2: Convert to fraction form
    580,342.31/799,555.01 = 449,068.62/x
  3. Step 3: Cross multiply
    580,342.31x = 799,555.01 × 449,068.62
  4. Step 4: Simplify right side
    580,342.31x = 359,055,062,709.44
  5. Step 5: Solve for x
    x = 359,055,062,709.44/580,342.31
  6. Step 6: Final answer
    x = 618,695.31

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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.