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Finding the Fourth Proportional to 670,326.85, 925,057.08 and 364,403.83

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Solution

The fourth proportional to 670,326.85, 925,057.08 and 364,403.83 is: 502,880.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,326.85 : 925,057.08 = 364,403.83 : x
  2. Step 2: Convert to fraction form
    670,326.85/925,057.08 = 364,403.83/x
  3. Step 3: Cross multiply
    670,326.85x = 925,057.08 × 364,403.83
  4. Step 4: Simplify right side
    670,326.85x = 337,094,342,920.62
  5. Step 5: Solve for x
    x = 337,094,342,920.62/670,326.85
  6. Step 6: Final answer
    x = 502,880.56

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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.