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Finding the Fourth Proportional to 510,518.67, 765,869.21 and 173,541.62

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Solution

The fourth proportional to 510,518.67, 765,869.21 and 173,541.62 is: 260,343.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,518.67 : 765,869.21 = 173,541.62 : x
  2. Step 2: Convert to fraction form
    510,518.67/765,869.21 = 173,541.62/x
  3. Step 3: Cross multiply
    510,518.67x = 765,869.21 × 173,541.62
  4. Step 4: Simplify right side
    510,518.67x = 132,910,178,714.47
  5. Step 5: Solve for x
    x = 132,910,178,714.47/510,518.67
  6. Step 6: Final answer
    x = 260,343.42

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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.