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Finding the Fourth Proportional to 673,160.08, 928,945.96 and 371,354

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Solution

The fourth proportional to 673,160.08, 928,945.96 and 371,354 is: 512,460.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,160.08 : 928,945.96 = 371,354 : x
  2. Step 2: Convert to fraction form
    673,160.08/928,945.96 = 371,354/x
  3. Step 3: Cross multiply
    673,160.08x = 928,945.96 × 371,354
  4. Step 4: Simplify right side
    673,160.08x = 344,967,798,029.84
  5. Step 5: Solve for x
    x = 344,967,798,029.84/673,160.08
  6. Step 6: Final answer
    x = 512,460.27

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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.