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Finding the Fourth Proportional to 568,411.44, 784,414.28 and 313,762.76

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Solution

The fourth proportional to 568,411.44, 784,414.28 and 313,762.76 is: 432,996.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,411.44 : 784,414.28 = 313,762.76 : x
  2. Step 2: Convert to fraction form
    568,411.44/784,414.28 = 313,762.76/x
  3. Step 3: Cross multiply
    568,411.44x = 784,414.28 × 313,762.76
  4. Step 4: Simplify right side
    568,411.44x = 246,119,989,476.21
  5. Step 5: Solve for x
    x = 246,119,989,476.21/568,411.44
  6. Step 6: Final answer
    x = 432,996.19

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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.