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Finding the Fourth Proportional to 254,176.01, 380,662.89 and 220,714.23

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Solution

The fourth proportional to 254,176.01, 380,662.89 and 220,714.23 is: 330,549.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,176.01 : 380,662.89 = 220,714.23 : x
  2. Step 2: Convert to fraction form
    254,176.01/380,662.89 = 220,714.23/x
  3. Step 3: Cross multiply
    254,176.01x = 380,662.89 × 220,714.23
  4. Step 4: Simplify right side
    254,176.01x = 84,017,716,655.92
  5. Step 5: Solve for x
    x = 84,017,716,655.92/254,176.01
  6. Step 6: Final answer
    x = 330,549.36

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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.