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Finding the Fourth Proportional to 296,813.10, 444,928.05 and 265,320.30

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Solution

The fourth proportional to 296,813.10, 444,928.05 and 265,320.30 is: 397,719.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,813.10 : 444,928.05 = 265,320.30 : x
  2. Step 2: Convert to fraction form
    296,813.10/444,928.05 = 265,320.30/x
  3. Step 3: Cross multiply
    296,813.10x = 444,928.05 × 265,320.30
  4. Step 4: Simplify right side
    296,813.10x = 118,048,443,704.42
  5. Step 5: Solve for x
    x = 118,048,443,704.42/296,813.10
  6. Step 6: Final answer
    x = 397,719.79

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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.