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Finding the Fourth Proportional to 358,699.43, 495,027.59 and 197,554.43

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Solution

The fourth proportional to 358,699.43, 495,027.59 and 197,554.43 is: 272,637.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,699.43 : 495,027.59 = 197,554.43 : x
  2. Step 2: Convert to fraction form
    358,699.43/495,027.59 = 197,554.43/x
  3. Step 3: Cross multiply
    358,699.43x = 495,027.59 × 197,554.43
  4. Step 4: Simplify right side
    358,699.43x = 97,794,893,376.72
  5. Step 5: Solve for x
    x = 97,794,893,376.72/358,699.43
  6. Step 6: Final answer
    x = 272,637.44

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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.