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Finding the Fourth Proportional to 313,797.66, 433,043.40 and 170,557.68

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Solution

The fourth proportional to 313,797.66, 433,043.40 and 170,557.68 is: 235,371.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,797.66 : 433,043.40 = 170,557.68 : x
  2. Step 2: Convert to fraction form
    313,797.66/433,043.40 = 170,557.68/x
  3. Step 3: Cross multiply
    313,797.66x = 433,043.40 × 170,557.68
  4. Step 4: Simplify right side
    313,797.66x = 73,858,877,643.31
  5. Step 5: Solve for x
    x = 73,858,877,643.31/313,797.66
  6. Step 6: Final answer
    x = 235,371.03

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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.