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Finding the Fourth Proportional to 352,328.40, 528,838.20 and 175,035.60

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Solution

The fourth proportional to 352,328.40, 528,838.20 and 175,035.60 is: 262,725.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,328.40 : 528,838.20 = 175,035.60 : x
  2. Step 2: Convert to fraction form
    352,328.40/528,838.20 = 175,035.60/x
  3. Step 3: Cross multiply
    352,328.40x = 528,838.20 × 175,035.60
  4. Step 4: Simplify right side
    352,328.40x = 92,565,511,639.92
  5. Step 5: Solve for x
    x = 92,565,511,639.92/352,328.40
  6. Step 6: Final answer
    x = 262,725.09

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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.