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Finding the Fourth Proportional to 351,299.25, 526,963.46 and 101,981.25

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Solution

The fourth proportional to 351,299.25, 526,963.46 and 101,981.25 is: 152,976.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,299.25 : 526,963.46 = 101,981.25 : x
  2. Step 2: Convert to fraction form
    351,299.25/526,963.46 = 101,981.25/x
  3. Step 3: Cross multiply
    351,299.25x = 526,963.46 × 101,981.25
  4. Step 4: Simplify right side
    351,299.25x = 53,740,391,845.22
  5. Step 5: Solve for x
    x = 53,740,391,845.22/351,299.25
  6. Step 6: Final answer
    x = 152,976.11

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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.