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Finding the Fourth Proportional to 348,523.75, 522,792.11 and 99,212.23

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Solution

The fourth proportional to 348,523.75, 522,792.11 and 99,212.23 is: 148,820.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,523.75 : 522,792.11 = 99,212.23 : x
  2. Step 2: Convert to fraction form
    348,523.75/522,792.11 = 99,212.23/x
  3. Step 3: Cross multiply
    348,523.75x = 522,792.11 × 99,212.23
  4. Step 4: Simplify right side
    348,523.75x = 51,867,371,059.51
  5. Step 5: Solve for x
    x = 51,867,371,059.51/348,523.75
  6. Step 6: Final answer
    x = 148,820.19

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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.