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Finding the Fourth Proportional to 444,012.58, 612,328.39 and 290,995.03

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Solution

The fourth proportional to 444,012.58, 612,328.39 and 290,995.03 is: 401,305.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,012.58 : 612,328.39 = 290,995.03 : x
  2. Step 2: Convert to fraction form
    444,012.58/612,328.39 = 290,995.03/x
  3. Step 3: Cross multiply
    444,012.58x = 612,328.39 × 290,995.03
  4. Step 4: Simplify right side
    444,012.58x = 178,184,518,217.90
  5. Step 5: Solve for x
    x = 178,184,518,217.90/444,012.58
  6. Step 6: Final answer
    x = 401,305.11

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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.