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Finding the Fourth Proportional to 356,605.54, 492,166.04 and 220,683.24

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Solution

The fourth proportional to 356,605.54, 492,166.04 and 220,683.24 is: 304,574.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,605.54 : 492,166.04 = 220,683.24 : x
  2. Step 2: Convert to fraction form
    356,605.54/492,166.04 = 220,683.24/x
  3. Step 3: Cross multiply
    356,605.54x = 492,166.04 × 220,683.24
  4. Step 4: Simplify right side
    356,605.54x = 108,612,795,221.75
  5. Step 5: Solve for x
    x = 108,612,795,221.75/356,605.54
  6. Step 6: Final answer
    x = 304,574.06

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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.