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Finding the Fourth Proportional to 313,799.67, 433,047.96 and 170,559.72

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Solution

The fourth proportional to 313,799.67, 433,047.96 and 170,559.72 is: 235,374.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,799.67 : 433,047.96 = 170,559.72 : x
  2. Step 2: Convert to fraction form
    313,799.67/433,047.96 = 170,559.72/x
  3. Step 3: Cross multiply
    313,799.67x = 433,047.96 × 170,559.72
  4. Step 4: Simplify right side
    313,799.67x = 73,860,538,804.17
  5. Step 5: Solve for x
    x = 73,860,538,804.17/313,799.67
  6. Step 6: Final answer
    x = 235,374.81

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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.