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Finding the Fourth Proportional to 259,693.89, 355,778.95 and 249,982.69

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Solution

The fourth proportional to 259,693.89, 355,778.95 and 249,982.69 is: 342,474.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,693.89 : 355,778.95 = 249,982.69 : x
  2. Step 2: Convert to fraction form
    259,693.89/355,778.95 = 249,982.69/x
  3. Step 3: Cross multiply
    259,693.89x = 355,778.95 × 249,982.69
  4. Step 4: Simplify right side
    259,693.89x = 88,938,577,716.46
  5. Step 5: Solve for x
    x = 88,938,577,716.46/259,693.89
  6. Step 6: Final answer
    x = 342,474.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.