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Finding the Fourth Proportional to 713,268.89, 983,737.11 and 627,043.52

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Solution

The fourth proportional to 713,268.89, 983,737.11 and 627,043.52 is: 864,815.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,268.89 : 983,737.11 = 627,043.52 : x
  2. Step 2: Convert to fraction form
    713,268.89/983,737.11 = 627,043.52/x
  3. Step 3: Cross multiply
    713,268.89x = 983,737.11 × 627,043.52
  4. Step 4: Simplify right side
    713,268.89x = 616,845,980,209.03
  5. Step 5: Solve for x
    x = 616,845,980,209.03/713,268.89
  6. Step 6: Final answer
    x = 864,815.48

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1.5x scale

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.