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Finding the Fourth Proportional to 585,261.44, 807,726.43 and 330,629.03

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Solution

The fourth proportional to 585,261.44, 807,726.43 and 330,629.03 is: 456,305.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,261.44 : 807,726.43 = 330,629.03 : x
  2. Step 2: Convert to fraction form
    585,261.44/807,726.43 = 330,629.03/x
  3. Step 3: Cross multiply
    585,261.44x = 807,726.43 × 330,629.03
  4. Step 4: Simplify right side
    585,261.44x = 267,057,806,056.26
  5. Step 5: Solve for x
    x = 267,057,806,056.26/585,261.44
  6. Step 6: Final answer
    x = 456,305.14

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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.