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Finding the Fourth Proportional to 530,791.71, 795,523.57 and 418,026.58

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Solution

The fourth proportional to 530,791.71, 795,523.57 and 418,026.58 is: 626,516.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,791.71 : 795,523.57 = 418,026.58 : x
  2. Step 2: Convert to fraction form
    530,791.71/795,523.57 = 418,026.58/x
  3. Step 3: Cross multiply
    530,791.71x = 795,523.57 × 418,026.58
  4. Step 4: Simplify right side
    530,791.71x = 332,549,997,276.49
  5. Step 5: Solve for x
    x = 332,549,997,276.49/530,791.71
  6. Step 6: Final answer
    x = 626,516.94

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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.