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Finding the Fourth Proportional to 243,484.20, 365,226.30 and 202,012.20

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Solution

The fourth proportional to 243,484.20, 365,226.30 and 202,012.20 is: 303,018.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,484.20 : 365,226.30 = 202,012.20 : x
  2. Step 2: Convert to fraction form
    243,484.20/365,226.30 = 202,012.20/x
  3. Step 3: Cross multiply
    243,484.20x = 365,226.30 × 202,012.20
  4. Step 4: Simplify right side
    243,484.20x = 73,780,168,360.86
  5. Step 5: Solve for x
    x = 73,780,168,360.86/243,484.20
  6. Step 6: Final answer
    x = 303,018.30

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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.