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Finding the Fourth Proportional to 313,795.65, 433,040.63 and 170,555.66

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Solution

The fourth proportional to 313,795.65, 433,040.63 and 170,555.66 is: 235,368.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,795.65 : 433,040.63 = 170,555.66 : x
  2. Step 2: Convert to fraction form
    313,795.65/433,040.63 = 170,555.66/x
  3. Step 3: Cross multiply
    313,795.65x = 433,040.63 × 170,555.66
  4. Step 4: Simplify right side
    313,795.65x = 73,857,530,456.47
  5. Step 5: Solve for x
    x = 73,857,530,456.47/313,795.65
  6. Step 6: Final answer
    x = 235,368.24

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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.