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Finding the Fourth Proportional to 668,045.90, 999,736.05 and 467,425.10

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Solution

The fourth proportional to 668,045.90, 999,736.05 and 467,425.10 is: 699,505.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,045.90 : 999,736.05 = 467,425.10 : x
  2. Step 2: Convert to fraction form
    668,045.90/999,736.05 = 467,425.10/x
  3. Step 3: Cross multiply
    668,045.90x = 999,736.05 × 467,425.10
  4. Step 4: Simplify right side
    668,045.90x = 467,301,723,144.86
  5. Step 5: Solve for x
    x = 467,301,723,144.86/668,045.90
  6. Step 6: Final answer
    x = 699,505.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.