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Finding the Fourth Proportional to 347,303.75, 520,950.15 and 110,644.83

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Solution

The fourth proportional to 347,303.75, 520,950.15 and 110,644.83 is: 165,965.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,303.75 : 520,950.15 = 110,644.83 : x
  2. Step 2: Convert to fraction form
    347,303.75/520,950.15 = 110,644.83/x
  3. Step 3: Cross multiply
    347,303.75x = 520,950.15 × 110,644.83
  4. Step 4: Simplify right side
    347,303.75x = 57,640,440,785.22
  5. Step 5: Solve for x
    x = 57,640,440,785.22/347,303.75
  6. Step 6: Final answer
    x = 165,965.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.