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Finding the Fourth Proportional to 358,848.63, 495,193.37 and 197,699.40

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Solution

The fourth proportional to 358,848.63, 495,193.37 and 197,699.40 is: 272,815.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,848.63 : 495,193.37 = 197,699.40 : x
  2. Step 2: Convert to fraction form
    358,848.63/495,193.37 = 197,699.40/x
  3. Step 3: Cross multiply
    358,848.63x = 495,193.37 × 197,699.40
  4. Step 4: Simplify right side
    358,848.63x = 97,899,431,144.48
  5. Step 5: Solve for x
    x = 97,899,431,144.48/358,848.63
  6. Step 6: Final answer
    x = 272,815.40

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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.