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Finding the Fourth Proportional to 348,991.94, 523,593.01 and 124,323.05

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Solution

The fourth proportional to 348,991.94, 523,593.01 and 124,323.05 is: 186,522.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,991.94 : 523,593.01 = 124,323.05 : x
  2. Step 2: Convert to fraction form
    348,991.94/523,593.01 = 124,323.05/x
  3. Step 3: Cross multiply
    348,991.94x = 523,593.01 × 124,323.05
  4. Step 4: Simplify right side
    348,991.94x = 65,094,679,651.07
  5. Step 5: Solve for x
    x = 65,094,679,651.07/348,991.94
  6. Step 6: Final answer
    x = 186,522.01

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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.