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Finding the Fourth Proportional to 544,820.81, 751,859.63 and 299,833.77

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Solution

The fourth proportional to 544,820.81, 751,859.63 and 299,833.77 is: 413,774.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,820.81 : 751,859.63 = 299,833.77 : x
  2. Step 2: Convert to fraction form
    544,820.81/751,859.63 = 299,833.77/x
  3. Step 3: Cross multiply
    544,820.81x = 751,859.63 × 299,833.77
  4. Step 4: Simplify right side
    544,820.81x = 225,432,909,063.11
  5. Step 5: Solve for x
    x = 225,432,909,063.11/544,820.81
  6. Step 6: Final answer
    x = 413,774.41

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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.