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Finding the Fourth Proportional to 297,980.37, 411,214.59 and 162,015.66

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Solution

The fourth proportional to 297,980.37, 411,214.59 and 162,015.66 is: 223,582.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,980.37 : 411,214.59 = 162,015.66 : x
  2. Step 2: Convert to fraction form
    297,980.37/411,214.59 = 162,015.66/x
  3. Step 3: Cross multiply
    297,980.37x = 411,214.59 × 162,015.66
  4. Step 4: Simplify right side
    297,980.37x = 66,623,203,200.48
  5. Step 5: Solve for x
    x = 66,623,203,200.48/297,980.37
  6. Step 6: Final answer
    x = 223,582.52

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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.