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Finding the Fourth Proportional to 313,055, 469,656.22 and 249,254.45

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Solution

The fourth proportional to 313,055, 469,656.22 and 249,254.45 is: 373,940.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,055 : 469,656.22 = 249,254.45 : x
  2. Step 2: Convert to fraction form
    313,055/469,656.22 = 249,254.45/x
  3. Step 3: Cross multiply
    313,055x = 469,656.22 × 249,254.45
  4. Step 4: Simplify right side
    313,055x = 117,063,902,805.18
  5. Step 5: Solve for x
    x = 117,063,902,805.18/313,055
  6. Step 6: Final answer
    x = 373,940.37

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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.