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Finding the Fourth Proportional to 358,693.98, 495,020.07 and 197,548.98

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Solution

The fourth proportional to 358,693.98, 495,020.07 and 197,548.98 is: 272,629.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,693.98 : 495,020.07 = 197,548.98 : x
  2. Step 2: Convert to fraction form
    358,693.98/495,020.07 = 197,548.98/x
  3. Step 3: Cross multiply
    358,693.98x = 495,020.07 × 197,548.98
  4. Step 4: Simplify right side
    358,693.98x = 97,790,709,908.03
  5. Step 5: Solve for x
    x = 97,790,709,908.03/358,693.98
  6. Step 6: Final answer
    x = 272,629.92

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1.5x scale

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.