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Finding the Fourth Proportional to 1,267,354.62, 1,748,949.03 and 694,416.54

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Solution

The fourth proportional to 1,267,354.62, 1,748,949.03 and 694,416.54 is: 958,294.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,267,354.62 : 1,748,949.03 = 694,416.54 : x
  2. Step 2: Convert to fraction form
    1,267,354.62/1,748,949.03 = 694,416.54/x
  3. Step 3: Cross multiply
    1,267,354.62x = 1,748,949.03 × 694,416.54
  4. Step 4: Simplify right side
    1,267,354.62x = 1,214,499,134,048.96
  5. Step 5: Solve for x
    x = 1,214,499,134,048.96/1,267,354.62
  6. Step 6: Final answer
    x = 958,294.64

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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.