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Finding the Fourth Proportional to 314,179.95, 433,555.36 and 170,940.56

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Solution

The fourth proportional to 314,179.95, 433,555.36 and 170,940.56 is: 235,890.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,179.95 : 433,555.36 = 170,940.56 : x
  2. Step 2: Convert to fraction form
    314,179.95/433,555.36 = 170,940.56/x
  3. Step 3: Cross multiply
    314,179.95x = 433,555.36 × 170,940.56
  4. Step 4: Simplify right side
    314,179.95x = 74,112,196,029.40
  5. Step 5: Solve for x
    x = 74,112,196,029.40/314,179.95
  6. Step 6: Final answer
    x = 235,890.92

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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.