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Finding the Fourth Proportional to 433,018.28, 650,116.44 and 243,611.93

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Solution

The fourth proportional to 433,018.28, 650,116.44 and 243,611.93 is: 365,749.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,018.28 : 650,116.44 = 243,611.93 : x
  2. Step 2: Convert to fraction form
    433,018.28/650,116.44 = 243,611.93/x
  3. Step 3: Cross multiply
    433,018.28x = 650,116.44 × 243,611.93
  4. Step 4: Simplify right side
    433,018.28x = 158,376,122,298.42
  5. Step 5: Solve for x
    x = 158,376,122,298.42/433,018.28
  6. Step 6: Final answer
    x = 365,749.27

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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.