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Finding the Fourth Proportional to 434,671.69, 651,843.73 and 181,969.64

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Solution

The fourth proportional to 434,671.69, 651,843.73 and 181,969.64 is: 272,885.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,671.69 : 651,843.73 = 181,969.64 : x
  2. Step 2: Convert to fraction form
    434,671.69/651,843.73 = 181,969.64/x
  3. Step 3: Cross multiply
    434,671.69x = 651,843.73 × 181,969.64
  4. Step 4: Simplify right side
    434,671.69x = 118,615,767,785.23
  5. Step 5: Solve for x
    x = 118,615,767,785.23/434,671.69
  6. Step 6: Final answer
    x = 272,885.88

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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.