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Finding the Fourth Proportional to 555,932, 767,268.51 and 352,001.88

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Solution

The fourth proportional to 555,932, 767,268.51 and 352,001.88 is: 485,814.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,932 : 767,268.51 = 352,001.88 : x
  2. Step 2: Convert to fraction form
    555,932/767,268.51 = 352,001.88/x
  3. Step 3: Cross multiply
    555,932x = 767,268.51 × 352,001.88
  4. Step 4: Simplify right side
    555,932x = 270,079,957,984.80
  5. Step 5: Solve for x
    x = 270,079,957,984.80/555,932
  6. Step 6: Final answer
    x = 485,814.74

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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.