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Finding the Fourth Proportional to 358,894.98, 495,297.54 and 197,749.98

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Solution

The fourth proportional to 358,894.98, 495,297.54 and 197,749.98 is: 272,907.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,894.98 : 495,297.54 = 197,749.98 : x
  2. Step 2: Convert to fraction form
    358,894.98/495,297.54 = 197,749.98/x
  3. Step 3: Cross multiply
    358,894.98x = 495,297.54 × 197,749.98
  4. Step 4: Simplify right side
    358,894.98x = 97,945,078,629.05
  5. Step 5: Solve for x
    x = 97,945,078,629.05/358,894.98
  6. Step 6: Final answer
    x = 272,907.35

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Why These Related Problems?

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