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Finding the Fourth Proportional to 518,141.26, 777,239.64 and 163,182.94

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Solution

The fourth proportional to 518,141.26, 777,239.64 and 163,182.94 is: 244,783.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,141.26 : 777,239.64 = 163,182.94 : x
  2. Step 2: Convert to fraction form
    518,141.26/777,239.64 = 163,182.94/x
  3. Step 3: Cross multiply
    518,141.26x = 777,239.64 × 163,182.94
  4. Step 4: Simplify right side
    518,141.26x = 126,832,249,539.74
  5. Step 5: Solve for x
    x = 126,832,249,539.74/518,141.26
  6. Step 6: Final answer
    x = 244,783.15

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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.