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Finding the Fourth Proportional to 547,676.76, 819,516.78 and 323,144.76

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Solution

The fourth proportional to 547,676.76, 819,516.78 and 323,144.76 is: 483,538.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,676.76 : 819,516.78 = 323,144.76 : x
  2. Step 2: Convert to fraction form
    547,676.76/819,516.78 = 323,144.76/x
  3. Step 3: Cross multiply
    547,676.76x = 819,516.78 × 323,144.76
  4. Step 4: Simplify right side
    547,676.76x = 264,822,553,189.07
  5. Step 5: Solve for x
    x = 264,822,553,189.07/547,676.76
  6. Step 6: Final answer
    x = 483,538.05

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1.5x scale

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.