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Finding the Fourth Proportional to 437,692.19, 656,275.64 and 171,134.96

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Solution

The fourth proportional to 437,692.19, 656,275.64 and 171,134.96 is: 256,599.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,692.19 : 656,275.64 = 171,134.96 : x
  2. Step 2: Convert to fraction form
    437,692.19/656,275.64 = 171,134.96/x
  3. Step 3: Cross multiply
    437,692.19x = 656,275.64 × 171,134.96
  4. Step 4: Simplify right side
    437,692.19x = 112,311,701,263.32
  5. Step 5: Solve for x
    x = 112,311,701,263.32/437,692.19
  6. Step 6: Final answer
    x = 256,599.74

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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.