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Finding the Fourth Proportional to 670,932, 925,843.68 and 365,005.44

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Solution

The fourth proportional to 670,932, 925,843.68 and 365,005.44 is: 503,684.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,932 : 925,843.68 = 365,005.44 : x
  2. Step 2: Convert to fraction form
    670,932/925,843.68 = 365,005.44/x
  3. Step 3: Cross multiply
    670,932x = 925,843.68 × 365,005.44
  4. Step 4: Simplify right side
    670,932x = 337,937,979,789.62
  5. Step 5: Solve for x
    x = 337,937,979,789.62/670,932
  6. Step 6: Final answer
    x = 503,684.40

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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.