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Finding the Fourth Proportional to 492,074.09, 679,062.29 and 277,214.10

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Solution

The fourth proportional to 492,074.09, 679,062.29 and 277,214.10 is: 382,555.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,074.09 : 679,062.29 = 277,214.10 : x
  2. Step 2: Convert to fraction form
    492,074.09/679,062.29 = 277,214.10/x
  3. Step 3: Cross multiply
    492,074.09x = 679,062.29 × 277,214.10
  4. Step 4: Simplify right side
    492,074.09x = 188,245,637,633.74
  5. Step 5: Solve for x
    x = 188,245,637,633.74/492,074.09
  6. Step 6: Final answer
    x = 382,555.48

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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.