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Finding the Fourth Proportional to 304,820.70, 457,231.05 and 94,479.90

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Solution

The fourth proportional to 304,820.70, 457,231.05 and 94,479.90 is: 141,719.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,820.70 : 457,231.05 = 94,479.90 : x
  2. Step 2: Convert to fraction form
    304,820.70/457,231.05 = 94,479.90/x
  3. Step 3: Cross multiply
    304,820.70x = 457,231.05 × 94,479.90
  4. Step 4: Simplify right side
    304,820.70x = 43,199,143,880.90
  5. Step 5: Solve for x
    x = 43,199,143,880.90/304,820.70
  6. Step 6: Final answer
    x = 141,719.85

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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.