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Finding the Fourth Proportional to 444,907.48, 613,980.30 and 243,690.52

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Solution

The fourth proportional to 444,907.48, 613,980.30 and 243,690.52 is: 336,297.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,907.48 : 613,980.30 = 243,690.52 : x
  2. Step 2: Convert to fraction form
    444,907.48/613,980.30 = 243,690.52/x
  3. Step 3: Cross multiply
    444,907.48x = 613,980.30 × 243,690.52
  4. Step 4: Simplify right side
    444,907.48x = 149,621,178,576.76
  5. Step 5: Solve for x
    x = 149,621,178,576.76/444,907.48
  6. Step 6: Final answer
    x = 336,297.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.