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Finding the Fourth Proportional to 314,179.69, 433,555.02 and 170,940.31

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Solution

The fourth proportional to 314,179.69, 433,555.02 and 170,940.31 is: 235,890.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,179.69 : 433,555.02 = 170,940.31 : x
  2. Step 2: Convert to fraction form
    314,179.69/433,555.02 = 170,940.31/x
  3. Step 3: Cross multiply
    314,179.69x = 433,555.02 × 170,940.31
  4. Step 4: Simplify right side
    314,179.69x = 74,112,029,520.86
  5. Step 5: Solve for x
    x = 74,112,029,520.86/314,179.69
  6. Step 6: Final answer
    x = 235,890.58

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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.