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Finding the Fourth Proportional to 451,256.94, 622,796.76 and 260,266.14

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Solution

The fourth proportional to 451,256.94, 622,796.76 and 260,266.14 is: 359,203.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,256.94 : 622,796.76 = 260,266.14 : x
  2. Step 2: Convert to fraction form
    451,256.94/622,796.76 = 260,266.14/x
  3. Step 3: Cross multiply
    451,256.94x = 622,796.76 × 260,266.14
  4. Step 4: Simplify right side
    451,256.94x = 162,092,908,729.71
  5. Step 5: Solve for x
    x = 162,092,908,729.71/451,256.94
  6. Step 6: Final answer
    x = 359,203.14

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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.