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Finding the Fourth Proportional to 243,770.20, 365,655.30 and 202,298.20

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Solution

The fourth proportional to 243,770.20, 365,655.30 and 202,298.20 is: 303,447.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,770.20 : 365,655.30 = 202,298.20 : x
  2. Step 2: Convert to fraction form
    243,770.20/365,655.30 = 202,298.20/x
  3. Step 3: Cross multiply
    243,770.20x = 365,655.30 × 202,298.20
  4. Step 4: Simplify right side
    243,770.20x = 73,971,409,010.46
  5. Step 5: Solve for x
    x = 73,971,409,010.46/243,770.20
  6. Step 6: Final answer
    x = 303,447.30

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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.