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Finding the Fourth Proportional to 556,178.68, 834,347.37 and 171,960.59

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Solution

The fourth proportional to 556,178.68, 834,347.37 and 171,960.59 is: 257,965.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,178.68 : 834,347.37 = 171,960.59 : x
  2. Step 2: Convert to fraction form
    556,178.68/834,347.37 = 171,960.59/x
  3. Step 3: Cross multiply
    556,178.68x = 834,347.37 × 171,960.59
  4. Step 4: Simplify right side
    556,178.68x = 143,474,867,773.59
  5. Step 5: Solve for x
    x = 143,474,867,773.59/556,178.68
  6. Step 6: Final answer
    x = 257,965.42

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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.