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Finding the Fourth Proportional to 536,945.22, 740,989.35 and 295,229.34

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Solution

The fourth proportional to 536,945.22, 740,989.35 and 295,229.34 is: 407,419.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,945.22 : 740,989.35 = 295,229.34 : x
  2. Step 2: Convert to fraction form
    536,945.22/740,989.35 = 295,229.34/x
  3. Step 3: Cross multiply
    536,945.22x = 740,989.35 × 295,229.34
  4. Step 4: Simplify right side
    536,945.22x = 218,761,796,747.53
  5. Step 5: Solve for x
    x = 218,761,796,747.53/536,945.22
  6. Step 6: Final answer
    x = 407,419.21

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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.