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Finding the Fourth Proportional to 298,003.24, 411,249.59 and 162,038.10

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Solution

The fourth proportional to 298,003.24, 411,249.59 and 162,038.10 is: 223,615.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,003.24 : 411,249.59 = 162,038.10 : x
  2. Step 2: Convert to fraction form
    298,003.24/411,249.59 = 162,038.10/x
  3. Step 3: Cross multiply
    298,003.24x = 411,249.59 × 162,038.10
  4. Step 4: Simplify right side
    298,003.24x = 66,638,102,189.38
  5. Step 5: Solve for x
    x = 66,638,102,189.38/298,003.24
  6. Step 6: Final answer
    x = 223,615.36

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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.