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Finding the Fourth Proportional to 317,059.54, 475,782.54 and 127,484.36

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Solution

The fourth proportional to 317,059.54, 475,782.54 and 127,484.36 is: 191,304.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,059.54 : 475,782.54 = 127,484.36 : x
  2. Step 2: Convert to fraction form
    317,059.54/475,782.54 = 127,484.36/x
  3. Step 3: Cross multiply
    317,059.54x = 475,782.54 × 127,484.36
  4. Step 4: Simplify right side
    317,059.54x = 60,654,832,611.07
  5. Step 5: Solve for x
    x = 60,654,832,611.07/317,059.54
  6. Step 6: Final answer
    x = 191,304.23

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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.