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Finding the Fourth Proportional to 568,341.63, 784,255.58 and 313,676.40

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Solution

The fourth proportional to 568,341.63, 784,255.58 and 313,676.40 is: 432,842.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,341.63 : 784,255.58 = 313,676.40 : x
  2. Step 2: Convert to fraction form
    568,341.63/784,255.58 = 313,676.40/x
  3. Step 3: Cross multiply
    568,341.63x = 784,255.58 × 313,676.40
  4. Step 4: Simplify right side
    568,341.63x = 246,002,465,445.93
  5. Step 5: Solve for x
    x = 246,002,465,445.93/568,341.63
  6. Step 6: Final answer
    x = 432,842.59

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1.5x scale

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.