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Finding the Fourth Proportional to 970,405.20, 1,453,534.20 and 804,517.20

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Solution

The fourth proportional to 970,405.20, 1,453,534.20 and 804,517.20 is: 1,205,056.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,405.20 : 1,453,534.20 = 804,517.20 : x
  2. Step 2: Convert to fraction form
    970,405.20/1,453,534.20 = 804,517.20/x
  3. Step 3: Cross multiply
    970,405.20x = 1,453,534.20 × 804,517.20
  4. Step 4: Simplify right side
    970,405.20x = 1,169,393,264,688.24
  5. Step 5: Solve for x
    x = 1,169,393,264,688.24/970,405.20
  6. Step 6: Final answer
    x = 1,205,056.68

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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.