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Finding the Fourth Proportional to 313,765.62, 432,999.90 and 170,525.67

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Solution

The fourth proportional to 313,765.62, 432,999.90 and 170,525.67 is: 235,327.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,765.62 : 432,999.90 = 170,525.67 : x
  2. Step 2: Convert to fraction form
    313,765.62/432,999.90 = 170,525.67/x
  3. Step 3: Cross multiply
    313,765.62x = 432,999.90 × 170,525.67
  4. Step 4: Simplify right side
    313,765.62x = 73,837,598,057.43
  5. Step 5: Solve for x
    x = 73,837,598,057.43/313,765.62
  6. Step 6: Final answer
    x = 235,327.24

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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.