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Finding the Fourth Proportional to 313,875.63, 433,131.80 and 170,635.03

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Solution

The fourth proportional to 313,875.63, 433,131.80 and 170,635.03 is: 235,467.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,875.63 : 433,131.80 = 170,635.03 : x
  2. Step 2: Convert to fraction form
    313,875.63/433,131.80 = 170,635.03/x
  3. Step 3: Cross multiply
    313,875.63x = 433,131.80 × 170,635.03
  4. Step 4: Simplify right side
    313,875.63x = 73,907,457,686.95
  5. Step 5: Solve for x
    x = 73,907,457,686.95/313,875.63
  6. Step 6: Final answer
    x = 235,467.33

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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.