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Finding the Fourth Proportional to 323,008.30, 445,766.04 and 187,048.18

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Solution

The fourth proportional to 323,008.30, 445,766.04 and 187,048.18 is: 258,134.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,008.30 : 445,766.04 = 187,048.18 : x
  2. Step 2: Convert to fraction form
    323,008.30/445,766.04 = 187,048.18/x
  3. Step 3: Cross multiply
    323,008.30x = 445,766.04 × 187,048.18
  4. Step 4: Simplify right side
    323,008.30x = 83,379,726,487.81
  5. Step 5: Solve for x
    x = 83,379,726,487.81/323,008.30
  6. Step 6: Final answer
    x = 258,134.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.