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Finding the Fourth Proportional to 568,341.13, 784,254.89 and 313,675.90

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Solution

The fourth proportional to 568,341.13, 784,254.89 and 313,675.90 is: 432,841.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,341.13 : 784,254.89 = 313,675.90 : x
  2. Step 2: Convert to fraction form
    568,341.13/784,254.89 = 313,675.90/x
  3. Step 3: Cross multiply
    568,341.13x = 784,254.89 × 313,675.90
  4. Step 4: Simplify right side
    568,341.13x = 246,001,856,881.77
  5. Step 5: Solve for x
    x = 246,001,856,881.77/568,341.13
  6. Step 6: Final answer
    x = 432,841.90

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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.