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Finding the Fourth Proportional to 399,566.48, 599,347.56 and 162,908.24

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Solution

The fourth proportional to 399,566.48, 599,347.56 and 162,908.24 is: 244,361.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,566.48 : 599,347.56 = 162,908.24 : x
  2. Step 2: Convert to fraction form
    399,566.48/599,347.56 = 162,908.24/x
  3. Step 3: Cross multiply
    399,566.48x = 599,347.56 × 162,908.24
  4. Step 4: Simplify right side
    399,566.48x = 97,638,656,147.89
  5. Step 5: Solve for x
    x = 97,638,656,147.89/399,566.48
  6. Step 6: Final answer
    x = 244,361.48

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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.