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Finding the Fourth Proportional to 544,351.61, 751,162.55 and 302,619.47

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Solution

The fourth proportional to 544,351.61, 751,162.55 and 302,619.47 is: 417,591.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,351.61 : 751,162.55 = 302,619.47 : x
  2. Step 2: Convert to fraction form
    544,351.61/751,162.55 = 302,619.47/x
  3. Step 3: Cross multiply
    544,351.61x = 751,162.55 × 302,619.47
  4. Step 4: Simplify right side
    544,351.61x = 227,316,407,495.94
  5. Step 5: Solve for x
    x = 227,316,407,495.94/544,351.61
  6. Step 6: Final answer
    x = 417,591.13

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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.