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Finding the Fourth Proportional to 610,235.46, 915,414.69 and 160,987.38

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Solution

The fourth proportional to 610,235.46, 915,414.69 and 160,987.38 is: 241,497.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,235.46 : 915,414.69 = 160,987.38 : x
  2. Step 2: Convert to fraction form
    610,235.46/915,414.69 = 160,987.38/x
  3. Step 3: Cross multiply
    610,235.46x = 915,414.69 × 160,987.38
  4. Step 4: Simplify right side
    610,235.46x = 147,370,212,556.61
  5. Step 5: Solve for x
    x = 147,370,212,556.61/610,235.46
  6. Step 6: Final answer
    x = 241,497.29

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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.