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Finding the Fourth Proportional to 301,401.76, 415,931.28 and 167,266.72

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Solution

The fourth proportional to 301,401.76, 415,931.28 and 167,266.72 is: 230,826.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,401.76 : 415,931.28 = 167,266.72 : x
  2. Step 2: Convert to fraction form
    301,401.76/415,931.28 = 167,266.72/x
  3. Step 3: Cross multiply
    301,401.76x = 415,931.28 × 167,266.72
  4. Step 4: Simplify right side
    301,401.76x = 69,571,460,951.00
  5. Step 5: Solve for x
    x = 69,571,460,951.00/301,401.76
  6. Step 6: Final answer
    x = 230,826.33

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.