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Finding the Fourth Proportional to 546,841.70, 820,153.20 and 262,531.70

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Solution

The fourth proportional to 546,841.70, 820,153.20 and 262,531.70 is: 393,745.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,841.70 : 820,153.20 = 262,531.70 : x
  2. Step 2: Convert to fraction form
    546,841.70/820,153.20 = 262,531.70/x
  3. Step 3: Cross multiply
    546,841.70x = 820,153.20 × 262,531.70
  4. Step 4: Simplify right side
    546,841.70x = 215,316,213,856.44
  5. Step 5: Solve for x
    x = 215,316,213,856.44/546,841.70
  6. Step 6: Final answer
    x = 393,745.05

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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.