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Finding the Fourth Proportional to 350,723.60, 525,696.60 and 193,065.20

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Solution

The fourth proportional to 350,723.60, 525,696.60 and 193,065.20 is: 289,383.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,723.60 : 525,696.60 = 193,065.20 : x
  2. Step 2: Convert to fraction form
    350,723.60/525,696.60 = 193,065.20/x
  3. Step 3: Cross multiply
    350,723.60x = 525,696.60 × 193,065.20
  4. Step 4: Simplify right side
    350,723.60x = 101,493,719,218.32
  5. Step 5: Solve for x
    x = 101,493,719,218.32/350,723.60
  6. Step 6: Final answer
    x = 289,383.77

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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.