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Finding the Fourth Proportional to 313,765.86, 433,000.25 and 170,525.91

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Solution

The fourth proportional to 313,765.86, 433,000.25 and 170,525.91 is: 235,327.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,765.86 : 433,000.25 = 170,525.91 : x
  2. Step 2: Convert to fraction form
    313,765.86/433,000.25 = 170,525.91/x
  3. Step 3: Cross multiply
    313,765.86x = 433,000.25 × 170,525.91
  4. Step 4: Simplify right side
    313,765.86x = 73,837,761,661.48
  5. Step 5: Solve for x
    x = 73,837,761,661.48/313,765.86
  6. Step 6: Final answer
    x = 235,327.58

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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.