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Finding the Fourth Proportional to 315,957.33, 473,889.28 and 116,231.01

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Solution

The fourth proportional to 315,957.33, 473,889.28 and 116,231.01 is: 174,329.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,957.33 : 473,889.28 = 116,231.01 : x
  2. Step 2: Convert to fraction form
    315,957.33/473,889.28 = 116,231.01/x
  3. Step 3: Cross multiply
    315,957.33x = 473,889.28 × 116,231.01
  4. Step 4: Simplify right side
    315,957.33x = 55,080,631,288.33
  5. Step 5: Solve for x
    x = 55,080,631,288.33/315,957.33
  6. Step 6: Final answer
    x = 174,329.33

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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.