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Finding the Fourth Proportional to 309,897.54, 465,095.43 and 160,181.73

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Solution

The fourth proportional to 309,897.54, 465,095.43 and 160,181.73 is: 240,401.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,897.54 : 465,095.43 = 160,181.73 : x
  2. Step 2: Convert to fraction form
    309,897.54/465,095.43 = 160,181.73/x
  3. Step 3: Cross multiply
    309,897.54x = 465,095.43 × 160,181.73
  4. Step 4: Simplify right side
    309,897.54x = 74,499,790,592.49
  5. Step 5: Solve for x
    x = 74,499,790,592.49/309,897.54
  6. Step 6: Final answer
    x = 240,401.36

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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.