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Finding the Fourth Proportional to 594,640.80, 889,628.40 and 538,653.60

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Solution

The fourth proportional to 594,640.80, 889,628.40 and 538,653.60 is: 805,867.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    594,640.80 : 889,628.40 = 538,653.60 : x
  2. Step 2: Convert to fraction form
    594,640.80/889,628.40 = 538,653.60/x
  3. Step 3: Cross multiply
    594,640.80x = 889,628.40 × 538,653.60
  4. Step 4: Simplify right side
    594,640.80x = 479,201,540,322.24
  5. Step 5: Solve for x
    x = 479,201,540,322.24/594,640.80
  6. Step 6: Final answer
    x = 805,867.24

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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.