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Finding the Fourth Proportional to 662,995.48, 994,502.94 and 189,681.70

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Solution

The fourth proportional to 662,995.48, 994,502.94 and 189,681.70 is: 284,525.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,995.48 : 994,502.94 = 189,681.70 : x
  2. Step 2: Convert to fraction form
    662,995.48/994,502.94 = 189,681.70/x
  3. Step 3: Cross multiply
    662,995.48x = 994,502.94 × 189,681.70
  4. Step 4: Simplify right side
    662,995.48x = 188,639,008,314.20
  5. Step 5: Solve for x
    x = 188,639,008,314.20/662,995.48
  6. Step 6: Final answer
    x = 284,525.33

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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.