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Finding the Fourth Proportional to 352,352.40, 528,874.20 and 175,059.60

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Solution

The fourth proportional to 352,352.40, 528,874.20 and 175,059.60 is: 262,761.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,352.40 : 528,874.20 = 175,059.60 : x
  2. Step 2: Convert to fraction form
    352,352.40/528,874.20 = 175,059.60/x
  3. Step 3: Cross multiply
    352,352.40x = 528,874.20 × 175,059.60
  4. Step 4: Simplify right side
    352,352.40x = 92,584,505,902.32
  5. Step 5: Solve for x
    x = 92,584,505,902.32/352,352.40
  6. Step 6: Final answer
    x = 262,761.10

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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.