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Finding the Fourth Proportional to 350,436, 483,639.56 and 214,561.34

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Solution

The fourth proportional to 350,436, 483,639.56 and 214,561.34 is: 296,117.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,436 : 483,639.56 = 214,561.34 : x
  2. Step 2: Convert to fraction form
    350,436/483,639.56 = 214,561.34/x
  3. Step 3: Cross multiply
    350,436x = 483,639.56 × 214,561.34
  4. Step 4: Simplify right side
    350,436x = 103,770,352,070.61
  5. Step 5: Solve for x
    x = 103,770,352,070.61/350,436
  6. Step 6: Final answer
    x = 296,117.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.