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Finding the Fourth Proportional to 555,087.29, 766,026.94 and 325,648.51

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Solution

The fourth proportional to 555,087.29, 766,026.94 and 325,648.51 is: 449,398.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,087.29 : 766,026.94 = 325,648.51 : x
  2. Step 2: Convert to fraction form
    555,087.29/766,026.94 = 325,648.51/x
  3. Step 3: Cross multiply
    555,087.29x = 766,026.94 × 325,648.51
  4. Step 4: Simplify right side
    555,087.29x = 249,455,533,524.56
  5. Step 5: Solve for x
    x = 249,455,533,524.56/555,087.29
  6. Step 6: Final answer
    x = 449,398.75

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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.