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Finding the Fourth Proportional to 505,262.54, 695,492.51 and 440,617.73

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Solution

The fourth proportional to 505,262.54, 695,492.51 and 440,617.73 is: 606,509.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,262.54 : 695,492.51 = 440,617.73 : x
  2. Step 2: Convert to fraction form
    505,262.54/695,492.51 = 440,617.73/x
  3. Step 3: Cross multiply
    505,262.54x = 695,492.51 × 440,617.73
  4. Step 4: Simplify right side
    505,262.54x = 306,446,325,307.65
  5. Step 5: Solve for x
    x = 306,446,325,307.65/505,262.54
  6. Step 6: Final answer
    x = 606,509.09

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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.