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Finding the Fourth Proportional to 313,900.59, 433,173.92 and 170,657.31

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Solution

The fourth proportional to 313,900.59, 433,173.92 and 170,657.31 is: 235,502.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,900.59 : 433,173.92 = 170,657.31 : x
  2. Step 2: Convert to fraction form
    313,900.59/433,173.92 = 170,657.31/x
  3. Step 3: Cross multiply
    313,900.59x = 433,173.92 × 170,657.31
  4. Step 4: Simplify right side
    313,900.59x = 73,924,295,096.07
  5. Step 5: Solve for x
    x = 73,924,295,096.07/313,900.59
  6. Step 6: Final answer
    x = 235,502.25

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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.