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Finding the Fourth Proportional to 304,912.60, 457,368.90 and 94,571.80

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Solution

The fourth proportional to 304,912.60, 457,368.90 and 94,571.80 is: 141,857.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,912.60 : 457,368.90 = 94,571.80 : x
  2. Step 2: Convert to fraction form
    304,912.60/457,368.90 = 94,571.80/x
  3. Step 3: Cross multiply
    304,912.60x = 457,368.90 × 94,571.80
  4. Step 4: Simplify right side
    304,912.60x = 43,254,200,137.02
  5. Step 5: Solve for x
    x = 43,254,200,137.02/304,912.60
  6. Step 6: Final answer
    x = 141,857.70

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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.