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Finding the Fourth Proportional to 365,999.06, 505,068.31 and 213,033.97

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Solution

The fourth proportional to 365,999.06, 505,068.31 and 213,033.97 is: 293,980.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,999.06 : 505,068.31 = 213,033.97 : x
  2. Step 2: Convert to fraction form
    365,999.06/505,068.31 = 213,033.97/x
  3. Step 3: Cross multiply
    365,999.06x = 505,068.31 × 213,033.97
  4. Step 4: Simplify right side
    365,999.06x = 107,596,705,405.24
  5. Step 5: Solve for x
    x = 107,596,705,405.24/365,999.06
  6. Step 6: Final answer
    x = 293,980.83

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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.