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Finding the Fourth Proportional to 515,525.36, 773,534.14 and 249,137.82

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Solution

The fourth proportional to 515,525.36, 773,534.14 and 249,137.82 is: 373,825.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,525.36 : 773,534.14 = 249,137.82 : x
  2. Step 2: Convert to fraction form
    515,525.36/773,534.14 = 249,137.82/x
  3. Step 3: Cross multiply
    515,525.36x = 773,534.14 × 249,137.82
  4. Step 4: Simplify right side
    515,525.36x = 192,716,608,712.33
  5. Step 5: Solve for x
    x = 192,716,608,712.33/515,525.36
  6. Step 6: Final answer
    x = 373,825.67

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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.