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Finding the Fourth Proportional to 555,723.32, 766,901.84 and 301,074.51

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Solution

The fourth proportional to 555,723.32, 766,901.84 and 301,074.51 is: 415,484.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,723.32 : 766,901.84 = 301,074.51 : x
  2. Step 2: Convert to fraction form
    555,723.32/766,901.84 = 301,074.51/x
  3. Step 3: Cross multiply
    555,723.32x = 766,901.84 × 301,074.51
  4. Step 4: Simplify right side
    555,723.32x = 230,894,594,190.73
  5. Step 5: Solve for x
    x = 230,894,594,190.73/555,723.32
  6. Step 6: Final answer
    x = 415,484.81

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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.