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Finding the Fourth Proportional to 317,204.01, 437,739.49 and 181,279.53

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Solution

The fourth proportional to 317,204.01, 437,739.49 and 181,279.53 is: 250,164.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,204.01 : 437,739.49 = 181,279.53 : x
  2. Step 2: Convert to fraction form
    317,204.01/437,739.49 = 181,279.53/x
  3. Step 3: Cross multiply
    317,204.01x = 437,739.49 × 181,279.53
  4. Step 4: Simplify right side
    317,204.01x = 79,353,209,009.64
  5. Step 5: Solve for x
    x = 79,353,209,009.64/317,204.01
  6. Step 6: Final answer
    x = 250,164.58

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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.