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Finding the Fourth Proportional to 352,383.30, 528,106.95 and 192,047.58

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Solution

The fourth proportional to 352,383.30, 528,106.95 and 192,047.58 is: 287,816.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,383.30 : 528,106.95 = 192,047.58 : x
  2. Step 2: Convert to fraction form
    352,383.30/528,106.95 = 192,047.58/x
  3. Step 3: Cross multiply
    352,383.30x = 528,106.95 × 192,047.58
  4. Step 4: Simplify right side
    352,383.30x = 101,421,661,728.68
  5. Step 5: Solve for x
    x = 101,421,661,728.68/352,383.30
  6. Step 6: Final answer
    x = 287,816.31

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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.