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Finding the Fourth Proportional to 364,670.55, 546,910.51 and 108,434.12

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Solution

The fourth proportional to 364,670.55, 546,910.51 and 108,434.12 is: 162,622.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,670.55 : 546,910.51 = 108,434.12 : x
  2. Step 2: Convert to fraction form
    364,670.55/546,910.51 = 108,434.12/x
  3. Step 3: Cross multiply
    364,670.55x = 546,910.51 × 108,434.12
  4. Step 4: Simplify right side
    364,670.55x = 59,303,756,593.88
  5. Step 5: Solve for x
    x = 59,303,756,593.88/364,670.55
  6. Step 6: Final answer
    x = 162,622.83

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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.