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Finding the Fourth Proportional to 537,640.16, 806,580.60 and 163,692.32

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Solution

The fourth proportional to 537,640.16, 806,580.60 and 163,692.32 is: 245,575.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,640.16 : 806,580.60 = 163,692.32 : x
  2. Step 2: Convert to fraction form
    537,640.16/806,580.60 = 163,692.32/x
  3. Step 3: Cross multiply
    537,640.16x = 806,580.60 × 163,692.32
  4. Step 4: Simplify right side
    537,640.16x = 132,031,049,680.99
  5. Step 5: Solve for x
    x = 132,031,049,680.99/537,640.16
  6. Step 6: Final answer
    x = 245,575.13

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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.