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Finding the Fourth Proportional to 713,258.26, 983,722.46 and 627,032.88

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Solution

The fourth proportional to 713,258.26, 983,722.46 and 627,032.88 is: 864,800.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,258.26 : 983,722.46 = 627,032.88 : x
  2. Step 2: Convert to fraction form
    713,258.26/983,722.46 = 627,032.88/x
  3. Step 3: Cross multiply
    713,258.26x = 983,722.46 × 627,032.88
  4. Step 4: Simplify right side
    713,258.26x = 616,826,324,079.32
  5. Step 5: Solve for x
    x = 616,826,324,079.32/713,258.26
  6. Step 6: Final answer
    x = 864,800.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.