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Finding the Fourth Proportional to 351,626.97, 527,401.74 and 98,915.49

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Solution

The fourth proportional to 351,626.97, 527,401.74 and 98,915.49 is: 148,362.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,626.97 : 527,401.74 = 98,915.49 : x
  2. Step 2: Convert to fraction form
    351,626.97/527,401.74 = 98,915.49/x
  3. Step 3: Cross multiply
    351,626.97x = 527,401.74 × 98,915.49
  4. Step 4: Simplify right side
    351,626.97x = 52,168,201,538.95
  5. Step 5: Solve for x
    x = 52,168,201,538.95/351,626.97
  6. Step 6: Final answer
    x = 148,362.34

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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.