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Finding the Fourth Proportional to 298,567.26, 412,019.96 and 162,603.48

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Solution

The fourth proportional to 298,567.26, 412,019.96 and 162,603.48 is: 224,391.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,567.26 : 412,019.96 = 162,603.48 : x
  2. Step 2: Convert to fraction form
    298,567.26/412,019.96 = 162,603.48/x
  3. Step 3: Cross multiply
    298,567.26x = 412,019.96 × 162,603.48
  4. Step 4: Simplify right side
    298,567.26x = 66,995,878,512.44
  5. Step 5: Solve for x
    x = 66,995,878,512.44/298,567.26
  6. Step 6: Final answer
    x = 224,391.24

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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.