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Finding the Fourth Proportional to 935,797.60, 1,403,696.40 and 836,070.40

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Solution

The fourth proportional to 935,797.60, 1,403,696.40 and 836,070.40 is: 1,254,105.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,797.60 : 1,403,696.40 = 836,070.40 : x
  2. Step 2: Convert to fraction form
    935,797.60/1,403,696.40 = 836,070.40/x
  3. Step 3: Cross multiply
    935,797.60x = 1,403,696.40 × 836,070.40
  4. Step 4: Simplify right side
    935,797.60x = 1,173,589,010,626.56
  5. Step 5: Solve for x
    x = 1,173,589,010,626.56/935,797.60
  6. Step 6: Final answer
    x = 1,254,105.60

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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.