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Finding the Fourth Proportional to 338,571.72, 508,091.28 and 116,955.72

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Solution

The fourth proportional to 338,571.72, 508,091.28 and 116,955.72 is: 175,514.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,571.72 : 508,091.28 = 116,955.72 : x
  2. Step 2: Convert to fraction form
    338,571.72/508,091.28 = 116,955.72/x
  3. Step 3: Cross multiply
    338,571.72x = 508,091.28 × 116,955.72
  4. Step 4: Simplify right side
    338,571.72x = 59,424,181,478.12
  5. Step 5: Solve for x
    x = 59,424,181,478.12/338,571.72
  6. Step 6: Final answer
    x = 175,514.31

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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.