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Finding the Fourth Proportional to 300,659.01, 450,988.20 and 123,166.32

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Solution

The fourth proportional to 300,659.01, 450,988.20 and 123,166.32 is: 184,749.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,659.01 : 450,988.20 = 123,166.32 : x
  2. Step 2: Convert to fraction form
    300,659.01/450,988.20 = 123,166.32/x
  3. Step 3: Cross multiply
    300,659.01x = 450,988.20 × 123,166.32
  4. Step 4: Simplify right side
    300,659.01x = 55,546,556,957.42
  5. Step 5: Solve for x
    x = 55,546,556,957.42/300,659.01
  6. Step 6: Final answer
    x = 184,749.35

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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.