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Finding the Fourth Proportional to 317,236.60, 437,809.58 and 181,267.44

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Solution

The fourth proportional to 317,236.60, 437,809.58 and 181,267.44 is: 250,162.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,236.60 : 437,809.58 = 181,267.44 : x
  2. Step 2: Convert to fraction form
    317,236.60/437,809.58 = 181,267.44/x
  3. Step 3: Cross multiply
    317,236.60x = 437,809.58 × 181,267.44
  4. Step 4: Simplify right side
    317,236.60x = 79,360,621,774.08
  5. Step 5: Solve for x
    x = 79,360,621,774.08/317,236.60
  6. Step 6: Final answer
    x = 250,162.25

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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.