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Finding the Fourth Proportional to 706,266.29, 974,642.69 and 383,976.38

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Solution

The fourth proportional to 706,266.29, 974,642.69 and 383,976.38 is: 529,884.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,266.29 : 974,642.69 = 383,976.38 : x
  2. Step 2: Convert to fraction form
    706,266.29/974,642.69 = 383,976.38/x
  3. Step 3: Cross multiply
    706,266.29x = 974,642.69 × 383,976.38
  4. Step 4: Simplify right side
    706,266.29x = 374,239,775,296.21
  5. Step 5: Solve for x
    x = 374,239,775,296.21/706,266.29
  6. Step 6: Final answer
    x = 529,884.80

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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.