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Finding the Fourth Proportional to 530,367.30, 731,984.03 and 297,820.35

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Solution

The fourth proportional to 530,367.30, 731,984.03 and 297,820.35 is: 411,035.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,367.30 : 731,984.03 = 297,820.35 : x
  2. Step 2: Convert to fraction form
    530,367.30/731,984.03 = 297,820.35/x
  3. Step 3: Cross multiply
    530,367.30x = 731,984.03 × 297,820.35
  4. Step 4: Simplify right side
    530,367.30x = 217,999,738,519.91
  5. Step 5: Solve for x
    x = 217,999,738,519.91/530,367.30
  6. Step 6: Final answer
    x = 411,035.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.