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Finding the Fourth Proportional to 519,406.40, 779,011.18 and 182,367.84

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Solution

The fourth proportional to 519,406.40, 779,011.18 and 182,367.84 is: 273,517.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,406.40 : 779,011.18 = 182,367.84 : x
  2. Step 2: Convert to fraction form
    519,406.40/779,011.18 = 182,367.84/x
  3. Step 3: Cross multiply
    519,406.40x = 779,011.18 × 182,367.84
  4. Step 4: Simplify right side
    519,406.40x = 142,066,586,232.45
  5. Step 5: Solve for x
    x = 142,066,586,232.45/519,406.40
  6. Step 6: Final answer
    x = 273,517.20

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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.