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Finding the Fourth Proportional to 368,583.35, 552,874.56 and 115,885.91

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Solution

The fourth proportional to 368,583.35, 552,874.56 and 115,885.91 is: 173,828.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,583.35 : 552,874.56 = 115,885.91 : x
  2. Step 2: Convert to fraction form
    368,583.35/552,874.56 = 115,885.91/x
  3. Step 3: Cross multiply
    368,583.35x = 552,874.56 × 115,885.91
  4. Step 4: Simplify right side
    368,583.35x = 64,070,371,501.45
  5. Step 5: Solve for x
    x = 64,070,371,501.45/368,583.35
  6. Step 6: Final answer
    x = 173,828.72

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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.