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Finding the Fourth Proportional to 673,958.48, 930,050.28 and 372,146

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Solution

The fourth proportional to 673,958.48, 930,050.28 and 372,146 is: 513,554.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,958.48 : 930,050.28 = 372,146 : x
  2. Step 2: Convert to fraction form
    673,958.48/930,050.28 = 372,146/x
  3. Step 3: Cross multiply
    673,958.48x = 930,050.28 × 372,146
  4. Step 4: Simplify right side
    673,958.48x = 346,114,491,500.88
  5. Step 5: Solve for x
    x = 346,114,491,500.88/673,958.48
  6. Step 6: Final answer
    x = 513,554.62

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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.