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Finding the Fourth Proportional to 510,833.34, 765,068.94 and 493,118.64

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Solution

The fourth proportional to 510,833.34, 765,068.94 and 493,118.64 is: 738,537.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,833.34 : 765,068.94 = 493,118.64 : x
  2. Step 2: Convert to fraction form
    510,833.34/765,068.94 = 493,118.64/x
  3. Step 3: Cross multiply
    510,833.34x = 765,068.94 × 493,118.64
  4. Step 4: Simplify right side
    510,833.34x = 377,269,755,199.04
  5. Step 5: Solve for x
    x = 377,269,755,199.04/510,833.34
  6. Step 6: Final answer
    x = 738,537.85

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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.