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Finding the Fourth Proportional to 358,694.42, 495,020.67 and 197,549.42

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Solution

The fourth proportional to 358,694.42, 495,020.67 and 197,549.42 is: 272,630.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,694.42 : 495,020.67 = 197,549.42 : x
  2. Step 2: Convert to fraction form
    358,694.42/495,020.67 = 197,549.42/x
  3. Step 3: Cross multiply
    358,694.42x = 495,020.67 × 197,549.42
  4. Step 4: Simplify right side
    358,694.42x = 97,791,046,246.51
  5. Step 5: Solve for x
    x = 97,791,046,246.51/358,694.42
  6. Step 6: Final answer
    x = 272,630.52

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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.