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Finding the Fourth Proportional to 706,375.69, 974,809.42 and 384,086.61

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Solution

The fourth proportional to 706,375.69, 974,809.42 and 384,086.61 is: 530,045.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,375.69 : 974,809.42 = 384,086.61 : x
  2. Step 2: Convert to fraction form
    706,375.69/974,809.42 = 384,086.61/x
  3. Step 3: Cross multiply
    706,375.69x = 974,809.42 × 384,086.61
  4. Step 4: Simplify right side
    706,375.69x = 374,411,244,563.65
  5. Step 5: Solve for x
    x = 374,411,244,563.65/706,375.69
  6. Step 6: Final answer
    x = 530,045.49

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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.