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Finding the Fourth Proportional to 662,313.69, 993,479.64 and 188,998.95

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Solution

The fourth proportional to 662,313.69, 993,479.64 and 188,998.95 is: 283,501.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,313.69 : 993,479.64 = 188,998.95 : x
  2. Step 2: Convert to fraction form
    662,313.69/993,479.64 = 188,998.95/x
  3. Step 3: Cross multiply
    662,313.69x = 993,479.64 × 188,998.95
  4. Step 4: Simplify right side
    662,313.69x = 187,766,608,806.38
  5. Step 5: Solve for x
    x = 187,766,608,806.38/662,313.69
  6. Step 6: Final answer
    x = 283,501.02

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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.