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Finding the Fourth Proportional to 296,576.70, 444,865.05 and 279,080.70

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Solution

The fourth proportional to 296,576.70, 444,865.05 and 279,080.70 is: 418,621.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,576.70 : 444,865.05 = 279,080.70 : x
  2. Step 2: Convert to fraction form
    296,576.70/444,865.05 = 279,080.70/x
  3. Step 3: Cross multiply
    296,576.70x = 444,865.05 × 279,080.70
  4. Step 4: Simplify right side
    296,576.70x = 124,153,249,559.54
  5. Step 5: Solve for x
    x = 124,153,249,559.54/296,576.70
  6. Step 6: Final answer
    x = 418,621.05

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1.5x scale

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.