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Finding the Fourth Proportional to 352,190.40, 528,285.60 and 233,476.80

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Solution

The fourth proportional to 352,190.40, 528,285.60 and 233,476.80 is: 350,215.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,190.40 : 528,285.60 = 233,476.80 : x
  2. Step 2: Convert to fraction form
    352,190.40/528,285.60 = 233,476.80/x
  3. Step 3: Cross multiply
    352,190.40x = 528,285.60 × 233,476.80
  4. Step 4: Simplify right side
    352,190.40x = 123,342,431,374.08
  5. Step 5: Solve for x
    x = 123,342,431,374.08/352,190.40
  6. Step 6: Final answer
    x = 350,215.20

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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.