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Finding the Fourth Proportional to 463,959.94, 695,940.28 and 127,003.38

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Solution

The fourth proportional to 463,959.94, 695,940.28 and 127,003.38 is: 190,505.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,959.94 : 695,940.28 = 127,003.38 : x
  2. Step 2: Convert to fraction form
    463,959.94/695,940.28 = 127,003.38/x
  3. Step 3: Cross multiply
    463,959.94x = 695,940.28 × 127,003.38
  4. Step 4: Simplify right side
    463,959.94x = 88,386,767,838.15
  5. Step 5: Solve for x
    x = 88,386,767,838.15/463,959.94
  6. Step 6: Final answer
    x = 190,505.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.