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Finding the Fourth Proportional to 475,639.75, 713,083.24 and 235,583.70

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Solution

The fourth proportional to 475,639.75, 713,083.24 and 235,583.70 is: 353,189.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,639.75 : 713,083.24 = 235,583.70 : x
  2. Step 2: Convert to fraction form
    475,639.75/713,083.24 = 235,583.70/x
  3. Step 3: Cross multiply
    475,639.75x = 713,083.24 × 235,583.70
  4. Step 4: Simplify right side
    475,639.75x = 167,990,788,087.19
  5. Step 5: Solve for x
    x = 167,990,788,087.19/475,639.75
  6. Step 6: Final answer
    x = 353,189.13

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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.