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Finding the Fourth Proportional to 350,640.20, 525,960.30 and 163,670.60

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Solution

The fourth proportional to 350,640.20, 525,960.30 and 163,670.60 is: 245,505.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,640.20 : 525,960.30 = 163,670.60 : x
  2. Step 2: Convert to fraction form
    350,640.20/525,960.30 = 163,670.60/x
  3. Step 3: Cross multiply
    350,640.20x = 525,960.30 × 163,670.60
  4. Step 4: Simplify right side
    350,640.20x = 86,084,237,877.18
  5. Step 5: Solve for x
    x = 86,084,237,877.18/350,640.20
  6. Step 6: Final answer
    x = 245,505.90

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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.