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Finding the Fourth Proportional to 662,313.68, 993,479.63 and 188,998.95

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Solution

The fourth proportional to 662,313.68, 993,479.63 and 188,998.95 is: 283,501.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,313.68 : 993,479.63 = 188,998.95 : x
  2. Step 2: Convert to fraction form
    662,313.68/993,479.63 = 188,998.95/x
  3. Step 3: Cross multiply
    662,313.68x = 993,479.63 × 188,998.95
  4. Step 4: Simplify right side
    662,313.68x = 187,766,605,971.39
  5. Step 5: Solve for x
    x = 187,766,605,971.39/662,313.68
  6. Step 6: Final answer
    x = 283,501.03

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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.