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Finding the Fourth Proportional to 260,502.18, 359,512.32 and 145,792.32

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Solution

The fourth proportional to 260,502.18, 359,512.32 and 145,792.32 is: 201,204.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,502.18 : 359,512.32 = 145,792.32 : x
  2. Step 2: Convert to fraction form
    260,502.18/359,512.32 = 145,792.32/x
  3. Step 3: Cross multiply
    260,502.18x = 359,512.32 × 145,792.32
  4. Step 4: Simplify right side
    260,502.18x = 52,414,135,201.38
  5. Step 5: Solve for x
    x = 52,414,135,201.38/260,502.18
  6. Step 6: Final answer
    x = 201,204.21

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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.