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Finding the Fourth Proportional to 364,189.72, 549,199 and 359,203.36

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Solution

The fourth proportional to 364,189.72, 549,199 and 359,203.36 is: 541,679.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,189.72 : 549,199 = 359,203.36 : x
  2. Step 2: Convert to fraction form
    364,189.72/549,199 = 359,203.36/x
  3. Step 3: Cross multiply
    364,189.72x = 549,199 × 359,203.36
  4. Step 4: Simplify right side
    364,189.72x = 197,274,126,108.64
  5. Step 5: Solve for x
    x = 197,274,126,108.64/364,189.72
  6. Step 6: Final answer
    x = 541,679.56

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.