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Finding the Fourth Proportional to 456,812.82, 630,345.93 and 263,283.13

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Solution

The fourth proportional to 456,812.82, 630,345.93 and 263,283.13 is: 363,298.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,812.82 : 630,345.93 = 263,283.13 : x
  2. Step 2: Convert to fraction form
    456,812.82/630,345.93 = 263,283.13/x
  3. Step 3: Cross multiply
    456,812.82x = 630,345.93 × 263,283.13
  4. Step 4: Simplify right side
    456,812.82x = 165,959,449,433.16
  5. Step 5: Solve for x
    x = 165,959,449,433.16/456,812.82
  6. Step 6: Final answer
    x = 363,298.58

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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.