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Finding the Fourth Proportional to 560,281.64, 773,183.68 and 305,627.36

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Solution

The fourth proportional to 560,281.64, 773,183.68 and 305,627.36 is: 421,763.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,281.64 : 773,183.68 = 305,627.36 : x
  2. Step 2: Convert to fraction form
    560,281.64/773,183.68 = 305,627.36/x
  3. Step 3: Cross multiply
    560,281.64x = 773,183.68 × 305,627.36
  4. Step 4: Simplify right side
    560,281.64x = 236,306,086,913.49
  5. Step 5: Solve for x
    x = 236,306,086,913.49/560,281.64
  6. Step 6: Final answer
    x = 421,763.04

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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.