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Finding the Fourth Proportional to 304,015.17, 455,913.39 and 104,283.75

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Solution

The fourth proportional to 304,015.17, 455,913.39 and 104,283.75 is: 156,388.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,015.17 : 455,913.39 = 104,283.75 : x
  2. Step 2: Convert to fraction form
    304,015.17/455,913.39 = 104,283.75/x
  3. Step 3: Cross multiply
    304,015.17x = 455,913.39 × 104,283.75
  4. Step 4: Simplify right side
    304,015.17x = 47,544,357,984.41
  5. Step 5: Solve for x
    x = 47,544,357,984.41/304,015.17
  6. Step 6: Final answer
    x = 156,388.11

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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.