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Finding the Fourth Proportional to 450,859.41, 622,173.93 and 257,263.60

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Solution

The fourth proportional to 450,859.41, 622,173.93 and 257,263.60 is: 355,016.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,859.41 : 622,173.93 = 257,263.60 : x
  2. Step 2: Convert to fraction form
    450,859.41/622,173.93 = 257,263.60/x
  3. Step 3: Cross multiply
    450,859.41x = 622,173.93 × 257,263.60
  4. Step 4: Simplify right side
    450,859.41x = 160,062,706,901.32
  5. Step 5: Solve for x
    x = 160,062,706,901.32/450,859.41
  6. Step 6: Final answer
    x = 355,016.89

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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.