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Finding the Fourth Proportional to 417,909.01, 576,714.43 and 226,922.40

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Solution

The fourth proportional to 417,909.01, 576,714.43 and 226,922.40 is: 313,152.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,909.01 : 576,714.43 = 226,922.40 : x
  2. Step 2: Convert to fraction form
    417,909.01/576,714.43 = 226,922.40/x
  3. Step 3: Cross multiply
    417,909.01x = 576,714.43 × 226,922.40
  4. Step 4: Simplify right side
    417,909.01x = 130,869,422,570.23
  5. Step 5: Solve for x
    x = 130,869,422,570.23/417,909.01
  6. Step 6: Final answer
    x = 313,152.91

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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.