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Finding the Fourth Proportional to 883,261.80, 1,324,892.70 and 706,114.80

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Solution

The fourth proportional to 883,261.80, 1,324,892.70 and 706,114.80 is: 1,059,172.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    883,261.80 : 1,324,892.70 = 706,114.80 : x
  2. Step 2: Convert to fraction form
    883,261.80/1,324,892.70 = 706,114.80/x
  3. Step 3: Cross multiply
    883,261.80x = 1,324,892.70 × 706,114.80
  4. Step 4: Simplify right side
    883,261.80x = 935,526,343,881.96
  5. Step 5: Solve for x
    x = 935,526,343,881.96/883,261.80
  6. Step 6: Final answer
    x = 1,059,172.20

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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.