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Finding the Fourth Proportional to 609,556.49, 914,337.78 and 249,923.78

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Solution

The fourth proportional to 609,556.49, 914,337.78 and 249,923.78 is: 374,886.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,556.49 : 914,337.78 = 249,923.78 : x
  2. Step 2: Convert to fraction form
    609,556.49/914,337.78 = 249,923.78/x
  3. Step 3: Cross multiply
    609,556.49x = 914,337.78 × 249,923.78
  4. Step 4: Simplify right side
    609,556.49x = 228,514,756,460.25
  5. Step 5: Solve for x
    x = 228,514,756,460.25/609,556.49
  6. Step 6: Final answer
    x = 374,886.92

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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.