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Finding the Fourth Proportional to 516,441.88, 774,662.10 and 179,482.52

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Solution

The fourth proportional to 516,441.88, 774,662.10 and 179,482.52 is: 269,223.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,441.88 : 774,662.10 = 179,482.52 : x
  2. Step 2: Convert to fraction form
    516,441.88/774,662.10 = 179,482.52/x
  3. Step 3: Cross multiply
    516,441.88x = 774,662.10 × 179,482.52
  4. Step 4: Simplify right side
    516,441.88x = 139,038,305,856.49
  5. Step 5: Solve for x
    x = 139,038,305,856.49/516,441.88
  6. Step 6: Final answer
    x = 269,223.53

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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.