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Finding the Fourth Proportional to 679,162.64, 937,244.64 and 377,356.64

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Solution

The fourth proportional to 679,162.64, 937,244.64 and 377,356.64 is: 520,752.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,162.64 : 937,244.64 = 377,356.64 : x
  2. Step 2: Convert to fraction form
    679,162.64/937,244.64 = 377,356.64/x
  3. Step 3: Cross multiply
    679,162.64x = 937,244.64 × 377,356.64
  4. Step 4: Simplify right side
    679,162.64x = 353,675,488,208.41
  5. Step 5: Solve for x
    x = 353,675,488,208.41/679,162.64
  6. Step 6: Final answer
    x = 520,752.27

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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.