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Finding the Fourth Proportional to 291,885.64, 437,906.46 and 104,898.76

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Solution

The fourth proportional to 291,885.64, 437,906.46 and 104,898.76 is: 157,376.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,885.64 : 437,906.46 = 104,898.76 : x
  2. Step 2: Convert to fraction form
    291,885.64/437,906.46 = 104,898.76/x
  3. Step 3: Cross multiply
    291,885.64x = 437,906.46 × 104,898.76
  4. Step 4: Simplify right side
    291,885.64x = 45,935,844,649.99
  5. Step 5: Solve for x
    x = 45,935,844,649.99/291,885.64
  6. Step 6: Final answer
    x = 157,376.17

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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.