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Finding the Fourth Proportional to 358,693.54, 495,019.46 and 197,548.55

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Solution

The fourth proportional to 358,693.54, 495,019.46 and 197,548.55 is: 272,629.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,693.54 : 495,019.46 = 197,548.55 : x
  2. Step 2: Convert to fraction form
    358,693.54/495,019.46 = 197,548.55/x
  3. Step 3: Cross multiply
    358,693.54x = 495,019.46 × 197,548.55
  4. Step 4: Simplify right side
    358,693.54x = 97,790,374,069.69
  5. Step 5: Solve for x
    x = 97,790,374,069.69/358,693.54
  6. Step 6: Final answer
    x = 272,629.32

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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.