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Finding the Fourth Proportional to 243,954.40, 365,348.40 and 197,298.40

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Solution

The fourth proportional to 243,954.40, 365,348.40 and 197,298.40 is: 295,475.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,954.40 : 365,348.40 = 197,298.40 : x
  2. Step 2: Convert to fraction form
    243,954.40/365,348.40 = 197,298.40/x
  3. Step 3: Cross multiply
    243,954.40x = 365,348.40 × 197,298.40
  4. Step 4: Simplify right side
    243,954.40x = 72,082,654,762.56
  5. Step 5: Solve for x
    x = 72,082,654,762.56/243,954.40
  6. Step 6: Final answer
    x = 295,475.94

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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.