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Finding the Fourth Proportional to 446,040, 668,706.24 and 161,686.08

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Solution

The fourth proportional to 446,040, 668,706.24 and 161,686.08 is: 242,400.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,040 : 668,706.24 = 161,686.08 : x
  2. Step 2: Convert to fraction form
    446,040/668,706.24 = 161,686.08/x
  3. Step 3: Cross multiply
    446,040x = 668,706.24 × 161,686.08
  4. Step 4: Simplify right side
    446,040x = 108,120,490,617.14
  5. Step 5: Solve for x
    x = 108,120,490,617.14/446,040
  6. Step 6: Final answer
    x = 242,400.88

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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.