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Finding the Fourth Proportional to 594,556.80, 891,971.42 and 257,654

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Solution

The fourth proportional to 594,556.80, 891,971.42 and 257,654 is: 386,540.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    594,556.80 : 891,971.42 = 257,654 : x
  2. Step 2: Convert to fraction form
    594,556.80/891,971.42 = 257,654/x
  3. Step 3: Cross multiply
    594,556.80x = 891,971.42 × 257,654
  4. Step 4: Simplify right side
    594,556.80x = 229,820,004,248.68
  5. Step 5: Solve for x
    x = 229,820,004,248.68/594,556.80
  6. Step 6: Final answer
    x = 386,540.03

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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.