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Finding the Fourth Proportional to 308,093.60, 461,116.40 and 223,613.60

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Solution

The fourth proportional to 308,093.60, 461,116.40 and 223,613.60 is: 334,677.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,093.60 : 461,116.40 = 223,613.60 : x
  2. Step 2: Convert to fraction form
    308,093.60/461,116.40 = 223,613.60/x
  3. Step 3: Cross multiply
    308,093.60x = 461,116.40 × 223,613.60
  4. Step 4: Simplify right side
    308,093.60x = 103,111,898,223.04
  5. Step 5: Solve for x
    x = 103,111,898,223.04/308,093.60
  6. Step 6: Final answer
    x = 334,677.18

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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.