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Finding the Fourth Proportional to 313,895.98, 433,171.15 and 170,659.63

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Solution

The fourth proportional to 313,895.98, 433,171.15 and 170,659.63 is: 235,507.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,895.98 : 433,171.15 = 170,659.63 : x
  2. Step 2: Convert to fraction form
    313,895.98/433,171.15 = 170,659.63/x
  3. Step 3: Cross multiply
    313,895.98x = 433,171.15 × 170,659.63
  4. Step 4: Simplify right side
    313,895.98x = 73,924,828,185.67
  5. Step 5: Solve for x
    x = 73,924,828,185.67/313,895.98
  6. Step 6: Final answer
    x = 235,507.41

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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.