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Finding the Fourth Proportional to 968,466.80, 1,452,959.40 and 864,009.20

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Solution

The fourth proportional to 968,466.80, 1,452,959.40 and 864,009.20 is: 1,296,245.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    968,466.80 : 1,452,959.40 = 864,009.20 : x
  2. Step 2: Convert to fraction form
    968,466.80/1,452,959.40 = 864,009.20/x
  3. Step 3: Cross multiply
    968,466.80x = 1,452,959.40 × 864,009.20
  4. Step 4: Simplify right side
    968,466.80x = 1,255,370,288,826.48
  5. Step 5: Solve for x
    x = 1,255,370,288,826.48/968,466.80
  6. Step 6: Final answer
    x = 1,296,245.04

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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.