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Finding the Fourth Proportional to 365,090.36, 547,373.03 and 165,307.91

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Solution

The fourth proportional to 365,090.36, 547,373.03 and 165,307.91 is: 247,843.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,090.36 : 547,373.03 = 165,307.91 : x
  2. Step 2: Convert to fraction form
    365,090.36/547,373.03 = 165,307.91/x
  3. Step 3: Cross multiply
    365,090.36x = 547,373.03 × 165,307.91
  4. Step 4: Simplify right side
    365,090.36x = 90,485,088,016.26
  5. Step 5: Solve for x
    x = 90,485,088,016.26/365,090.36
  6. Step 6: Final answer
    x = 247,843.00

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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.