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Finding the Fourth Proportional to 516,378.60, 774,334.62 and 183,963.24

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Solution

The fourth proportional to 516,378.60, 774,334.62 and 183,963.24 is: 275,861.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,378.60 : 774,334.62 = 183,963.24 : x
  2. Step 2: Convert to fraction form
    516,378.60/774,334.62 = 183,963.24/x
  3. Step 3: Cross multiply
    516,378.60x = 774,334.62 × 183,963.24
  4. Step 4: Simplify right side
    516,378.60x = 142,449,105,539.37
  5. Step 5: Solve for x
    x = 142,449,105,539.37/516,378.60
  6. Step 6: Final answer
    x = 275,861.75

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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.