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Finding the Fourth Proportional to 243,941.40, 365,328.90 and 197,285.40

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Solution

The fourth proportional to 243,941.40, 365,328.90 and 197,285.40 is: 295,456.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,941.40 : 365,328.90 = 197,285.40 : x
  2. Step 2: Convert to fraction form
    243,941.40/365,328.90 = 197,285.40/x
  3. Step 3: Cross multiply
    243,941.40x = 365,328.90 × 197,285.40
  4. Step 4: Simplify right side
    243,941.40x = 72,074,058,168.06
  5. Step 5: Solve for x
    x = 72,074,058,168.06/243,941.40
  6. Step 6: Final answer
    x = 295,456.44

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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.