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Finding the Fourth Proportional to 436,175.72, 654,263.58 and 120,632.63

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Solution

The fourth proportional to 436,175.72, 654,263.58 and 120,632.63 is: 180,948.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,175.72 : 654,263.58 = 120,632.63 : x
  2. Step 2: Convert to fraction form
    436,175.72/654,263.58 = 120,632.63/x
  3. Step 3: Cross multiply
    436,175.72x = 654,263.58 × 120,632.63
  4. Step 4: Simplify right side
    436,175.72x = 78,925,532,871.11
  5. Step 5: Solve for x
    x = 78,925,532,871.11/436,175.72
  6. Step 6: Final answer
    x = 180,948.94

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Similar ratio
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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.