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Finding the Fourth Proportional to 350,312.44, 525,640.38 and 217,157.44

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Solution

The fourth proportional to 350,312.44, 525,640.38 and 217,157.44 is: 325,842.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,312.44 : 525,640.38 = 217,157.44 : x
  2. Step 2: Convert to fraction form
    350,312.44/525,640.38 = 217,157.44/x
  3. Step 3: Cross multiply
    350,312.44x = 525,640.38 × 217,157.44
  4. Step 4: Simplify right side
    350,312.44x = 114,146,719,281.43
  5. Step 5: Solve for x
    x = 114,146,719,281.43/350,312.44
  6. Step 6: Final answer
    x = 325,842.61

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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.