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Finding the Fourth Proportional to 673,273, 929,129.70 and 371,460.52

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Solution

The fourth proportional to 673,273, 929,129.70 and 371,460.52 is: 512,622.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,273 : 929,129.70 = 371,460.52 : x
  2. Step 2: Convert to fraction form
    673,273/929,129.70 = 371,460.52/x
  3. Step 3: Cross multiply
    673,273x = 929,129.70 × 371,460.52
  4. Step 4: Simplify right side
    673,273x = 345,135,001,509.44
  5. Step 5: Solve for x
    x = 345,135,001,509.44/673,273
  6. Step 6: Final answer
    x = 512,622.67

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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.