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Finding the Fourth Proportional to 362,994.40, 544,491.60 and 349,216.30

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Solution

The fourth proportional to 362,994.40, 544,491.60 and 349,216.30 is: 523,824.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,994.40 : 544,491.60 = 349,216.30 : x
  2. Step 2: Convert to fraction form
    362,994.40/544,491.60 = 349,216.30/x
  3. Step 3: Cross multiply
    362,994.40x = 544,491.60 × 349,216.30
  4. Step 4: Simplify right side
    362,994.40x = 190,145,341,933.08
  5. Step 5: Solve for x
    x = 190,145,341,933.08/362,994.40
  6. Step 6: Final answer
    x = 523,824.45

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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.