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Finding the Fourth Proportional to 197,397.30, 295,658.55 and 162,405.30

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Solution

The fourth proportional to 197,397.30, 295,658.55 and 162,405.30 is: 243,248.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,397.30 : 295,658.55 = 162,405.30 : x
  2. Step 2: Convert to fraction form
    197,397.30/295,658.55 = 162,405.30/x
  3. Step 3: Cross multiply
    197,397.30x = 295,658.55 × 162,405.30
  4. Step 4: Simplify right side
    197,397.30x = 48,016,515,510.32
  5. Step 5: Solve for x
    x = 48,016,515,510.32/197,397.30
  6. Step 6: Final answer
    x = 243,248.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.