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Finding the Fourth Proportional to 673,164.08, 928,951.48 and 371,358

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Solution

The fourth proportional to 673,164.08, 928,951.48 and 371,358 is: 512,465.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,164.08 : 928,951.48 = 371,358 : x
  2. Step 2: Convert to fraction form
    673,164.08/928,951.48 = 371,358/x
  3. Step 3: Cross multiply
    673,164.08x = 928,951.48 × 371,358
  4. Step 4: Simplify right side
    673,164.08x = 344,973,563,709.84
  5. Step 5: Solve for x
    x = 344,973,563,709.84/673,164.08
  6. Step 6: Final answer
    x = 512,465.79

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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.