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Finding the Fourth Proportional to 670,708, 925,579.47 and 364,784.37

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Solution

The fourth proportional to 670,708, 925,579.47 and 364,784.37 is: 503,403.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,708 : 925,579.47 = 364,784.37 : x
  2. Step 2: Convert to fraction form
    670,708/925,579.47 = 364,784.37/x
  3. Step 3: Cross multiply
    670,708x = 925,579.47 × 364,784.37
  4. Step 4: Simplify right side
    670,708x = 337,636,923,848.88
  5. Step 5: Solve for x
    x = 337,636,923,848.88/670,708
  6. Step 6: Final answer
    x = 503,403.75

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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.