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Finding the Fourth Proportional to 275,292.38, 412,889.37 and 175,155.12

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Solution

The fourth proportional to 275,292.38, 412,889.37 and 175,155.12 is: 262,701.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,292.38 : 412,889.37 = 175,155.12 : x
  2. Step 2: Convert to fraction form
    275,292.38/412,889.37 = 175,155.12/x
  3. Step 3: Cross multiply
    275,292.38x = 412,889.37 × 175,155.12
  4. Step 4: Simplify right side
    275,292.38x = 72,319,687,442.34
  5. Step 5: Solve for x
    x = 72,319,687,442.34/275,292.38
  6. Step 6: Final answer
    x = 262,701.37

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1.5x scale

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.