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Finding the Fourth Proportional to 456,802.09, 630,241.97 and 265,778.58

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Solution

The fourth proportional to 456,802.09, 630,241.97 and 265,778.58 is: 366,690.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,802.09 : 630,241.97 = 265,778.58 : x
  2. Step 2: Convert to fraction form
    456,802.09/630,241.97 = 265,778.58/x
  3. Step 3: Cross multiply
    456,802.09x = 630,241.97 × 265,778.58
  4. Step 4: Simplify right side
    456,802.09x = 167,504,815,843.00
  5. Step 5: Solve for x
    x = 167,504,815,843.00/456,802.09
  6. Step 6: Final answer
    x = 366,690.13

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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.