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Finding the Fourth Proportional to 568,722.17, 784,476.14 and 432,457.39

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Solution

The fourth proportional to 568,722.17, 784,476.14 and 432,457.39 is: 596,517.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,722.17 : 784,476.14 = 432,457.39 : x
  2. Step 2: Convert to fraction form
    568,722.17/784,476.14 = 432,457.39/x
  3. Step 3: Cross multiply
    568,722.17x = 784,476.14 × 432,457.39
  4. Step 4: Simplify right side
    568,722.17x = 339,252,500,099.29
  5. Step 5: Solve for x
    x = 339,252,500,099.29/568,722.17
  6. Step 6: Final answer
    x = 596,517.11

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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.