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Finding the Fourth Proportional to 364,871.98, 547,309.91 and 239,307.37

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Solution

The fourth proportional to 364,871.98, 547,309.91 and 239,307.37 is: 358,962.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,871.98 : 547,309.91 = 239,307.37 : x
  2. Step 2: Convert to fraction form
    364,871.98/547,309.91 = 239,307.37/x
  3. Step 3: Cross multiply
    364,871.98x = 547,309.91 × 239,307.37
  4. Step 4: Simplify right side
    364,871.98x = 130,975,295,906.34
  5. Step 5: Solve for x
    x = 130,975,295,906.34/364,871.98
  6. Step 6: Final answer
    x = 358,962.33

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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.