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Finding the Fourth Proportional to 373,980.56, 561,174.96 and 216,516.56

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Solution

The fourth proportional to 373,980.56, 561,174.96 and 216,516.56 is: 324,893.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,980.56 : 561,174.96 = 216,516.56 : x
  2. Step 2: Convert to fraction form
    373,980.56/561,174.96 = 216,516.56/x
  3. Step 3: Cross multiply
    373,980.56x = 561,174.96 × 216,516.56
  4. Step 4: Simplify right side
    373,980.56x = 121,503,671,897.34
  5. Step 5: Solve for x
    x = 121,503,671,897.34/373,980.56
  6. Step 6: Final answer
    x = 324,893.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.