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Finding the Fourth Proportional to 568,363.50, 784,341.70 and 313,714.76

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Solution

The fourth proportional to 568,363.50, 784,341.70 and 313,714.76 is: 432,926.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,363.50 : 784,341.70 = 313,714.76 : x
  2. Step 2: Convert to fraction form
    568,363.50/784,341.70 = 313,714.76/x
  3. Step 3: Cross multiply
    568,363.50x = 784,341.70 × 313,714.76
  4. Step 4: Simplify right side
    568,363.50x = 246,059,563,467.50
  5. Step 5: Solve for x
    x = 246,059,563,467.50/568,363.50
  6. Step 6: Final answer
    x = 432,926.40

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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.