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Finding the Fourth Proportional to 706,266.51, 974,658.41 and 383,975.88

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Solution

The fourth proportional to 706,266.51, 974,658.41 and 383,975.88 is: 529,892.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,266.51 : 974,658.41 = 383,975.88 : x
  2. Step 2: Convert to fraction form
    706,266.51/974,658.41 = 383,975.88/x
  3. Step 3: Cross multiply
    706,266.51x = 974,658.41 × 383,975.88
  4. Step 4: Simplify right side
    706,266.51x = 374,245,320,679.15
  5. Step 5: Solve for x
    x = 374,245,320,679.15/706,266.51
  6. Step 6: Final answer
    x = 529,892.49

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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.