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Finding the Fourth Proportional to 463,907.33, 640,181.27 and 272,933.01

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Solution

The fourth proportional to 463,907.33, 640,181.27 and 272,933.01 is: 376,641.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,907.33 : 640,181.27 = 272,933.01 : x
  2. Step 2: Convert to fraction form
    463,907.33/640,181.27 = 272,933.01/x
  3. Step 3: Cross multiply
    463,907.33x = 640,181.27 × 272,933.01
  4. Step 4: Simplify right side
    463,907.33x = 174,726,599,602.06
  5. Step 5: Solve for x
    x = 174,726,599,602.06/463,907.33
  6. Step 6: Final answer
    x = 376,641.17

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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.