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Finding the Fourth Proportional to 317,800.16, 438,566.10 and 174,556.52

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Solution

The fourth proportional to 317,800.16, 438,566.10 and 174,556.52 is: 240,889.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,800.16 : 438,566.10 = 174,556.52 : x
  2. Step 2: Convert to fraction form
    317,800.16/438,566.10 = 174,556.52/x
  3. Step 3: Cross multiply
    317,800.16x = 438,566.10 × 174,556.52
  4. Step 4: Simplify right side
    317,800.16x = 76,554,572,205.97
  5. Step 5: Solve for x
    x = 76,554,572,205.97/317,800.16
  6. Step 6: Final answer
    x = 240,889.03

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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.