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Finding the Fourth Proportional to 496,131.70, 744,197.55 and 180,547.60

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Solution

The fourth proportional to 496,131.70, 744,197.55 and 180,547.60 is: 270,821.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,131.70 : 744,197.55 = 180,547.60 : x
  2. Step 2: Convert to fraction form
    496,131.70/744,197.55 = 180,547.60/x
  3. Step 3: Cross multiply
    496,131.70x = 744,197.55 × 180,547.60
  4. Step 4: Simplify right side
    496,131.70x = 134,363,081,578.38
  5. Step 5: Solve for x
    x = 134,363,081,578.38/496,131.70
  6. Step 6: Final answer
    x = 270,821.40

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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.