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Finding the Fourth Proportional to 243,818.70, 365,728.05 and 202,346.70

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Solution

The fourth proportional to 243,818.70, 365,728.05 and 202,346.70 is: 303,520.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,818.70 : 365,728.05 = 202,346.70 : x
  2. Step 2: Convert to fraction form
    243,818.70/365,728.05 = 202,346.70/x
  3. Step 3: Cross multiply
    243,818.70x = 365,728.05 × 202,346.70
  4. Step 4: Simplify right side
    243,818.70x = 74,003,864,014.94
  5. Step 5: Solve for x
    x = 74,003,864,014.94/243,818.70
  6. Step 6: Final answer
    x = 303,520.05

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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.