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Finding the Fourth Proportional to 544,330, 751,201 and 302,616.56

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Solution

The fourth proportional to 544,330, 751,201 and 302,616.56 is: 417,625.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,330 : 751,201 = 302,616.56 : x
  2. Step 2: Convert to fraction form
    544,330/751,201 = 302,616.56/x
  3. Step 3: Cross multiply
    544,330x = 751,201 × 302,616.56
  4. Step 4: Simplify right side
    544,330x = 227,325,862,488.56
  5. Step 5: Solve for x
    x = 227,325,862,488.56/544,330
  6. Step 6: Final answer
    x = 417,625.08

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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.