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Finding the Fourth Proportional to 324,659.03, 448,154.51 and 290,607.44

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Solution

The fourth proportional to 324,659.03, 448,154.51 and 290,607.44 is: 401,150.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,659.03 : 448,154.51 = 290,607.44 : x
  2. Step 2: Convert to fraction form
    324,659.03/448,154.51 = 290,607.44/x
  3. Step 3: Cross multiply
    324,659.03x = 448,154.51 × 290,607.44
  4. Step 4: Simplify right side
    324,659.03x = 130,237,031,181.75
  5. Step 5: Solve for x
    x = 130,237,031,181.75/324,659.03
  6. Step 6: Final answer
    x = 401,150.19

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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.