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Finding the Fourth Proportional to 358,693.92, 495,019.98 and 197,548.92

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Solution

The fourth proportional to 358,693.92, 495,019.98 and 197,548.92 is: 272,629.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,693.92 : 495,019.98 = 197,548.92 : x
  2. Step 2: Convert to fraction form
    358,693.92/495,019.98 = 197,548.92/x
  3. Step 3: Cross multiply
    358,693.92x = 495,019.98 × 197,548.92
  4. Step 4: Simplify right side
    358,693.92x = 97,790,662,427.42
  5. Step 5: Solve for x
    x = 97,790,662,427.42/358,693.92
  6. Step 6: Final answer
    x = 272,629.83

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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.