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Finding the Fourth Proportional to 304,941.60, 457,369.20 and 94,600.80

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Solution

The fourth proportional to 304,941.60, 457,369.20 and 94,600.80 is: 141,887.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,941.60 : 457,369.20 = 94,600.80 : x
  2. Step 2: Convert to fraction form
    304,941.60/457,369.20 = 94,600.80/x
  3. Step 3: Cross multiply
    304,941.60x = 457,369.20 × 94,600.80
  4. Step 4: Simplify right side
    304,941.60x = 43,267,492,215.36
  5. Step 5: Solve for x
    x = 43,267,492,215.36/304,941.60
  6. Step 6: Final answer
    x = 141,887.80

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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.