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Finding the Fourth Proportional to 368,567.55, 552,789.66 and 102,354.97

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Solution

The fourth proportional to 368,567.55, 552,789.66 and 102,354.97 is: 153,515.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,567.55 : 552,789.66 = 102,354.97 : x
  2. Step 2: Convert to fraction form
    368,567.55/552,789.66 = 102,354.97/x
  3. Step 3: Cross multiply
    368,567.55x = 552,789.66 × 102,354.97
  4. Step 4: Simplify right side
    368,567.55x = 56,580,769,065.61
  5. Step 5: Solve for x
    x = 56,580,769,065.61/368,567.55
  6. Step 6: Final answer
    x = 153,515.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.