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Finding the Fourth Proportional to 301,538.88, 454,475.75 and 259,921.26

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Solution

The fourth proportional to 301,538.88, 454,475.75 and 259,921.26 is: 391,750.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,538.88 : 454,475.75 = 259,921.26 : x
  2. Step 2: Convert to fraction form
    301,538.88/454,475.75 = 259,921.26/x
  3. Step 3: Cross multiply
    301,538.88x = 454,475.75 × 259,921.26
  4. Step 4: Simplify right side
    301,538.88x = 118,127,908,279.84
  5. Step 5: Solve for x
    x = 118,127,908,279.84/301,538.88
  6. Step 6: Final answer
    x = 391,750.17

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.