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Finding the Fourth Proportional to 476,873.67, 658,085.13 and 262,013.21

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Solution

The fourth proportional to 476,873.67, 658,085.13 and 262,013.21 is: 361,577.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,873.67 : 658,085.13 = 262,013.21 : x
  2. Step 2: Convert to fraction form
    476,873.67/658,085.13 = 262,013.21/x
  3. Step 3: Cross multiply
    476,873.67x = 658,085.13 × 262,013.21
  4. Step 4: Simplify right side
    476,873.67x = 172,426,994,074.14
  5. Step 5: Solve for x
    x = 172,426,994,074.14/476,873.67
  6. Step 6: Final answer
    x = 361,577.93

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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.