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Finding the Fourth Proportional to 620,014.50, 930,080.53 and 240,964.46

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Solution

The fourth proportional to 620,014.50, 930,080.53 and 240,964.46 is: 361,469.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    620,014.50 : 930,080.53 = 240,964.46 : x
  2. Step 2: Convert to fraction form
    620,014.50/930,080.53 = 240,964.46/x
  3. Step 3: Cross multiply
    620,014.50x = 930,080.53 × 240,964.46
  4. Step 4: Simplify right side
    620,014.50x = 224,116,349,143.22
  5. Step 5: Solve for x
    x = 224,116,349,143.22/620,014.50
  6. Step 6: Final answer
    x = 361,469.53

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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.