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Finding the Fourth Proportional to 731,214.60, 1,096,821.90 and 731,214.60

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Solution

The fourth proportional to 731,214.60, 1,096,821.90 and 731,214.60 is: 1,096,821.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,214.60 : 1,096,821.90 = 731,214.60 : x
  2. Step 2: Convert to fraction form
    731,214.60/1,096,821.90 = 731,214.60/x
  3. Step 3: Cross multiply
    731,214.60x = 1,096,821.90 × 731,214.60
  4. Step 4: Simplify right side
    731,214.60x = 802,012,186,879.74
  5. Step 5: Solve for x
    x = 802,012,186,879.74/731,214.60
  6. Step 6: Final answer
    x = 1,096,821.90

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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.