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Finding the Fourth Proportional to 530,113.50, 795,425.40 and 263,897.28

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Solution

The fourth proportional to 530,113.50, 795,425.40 and 263,897.28 is: 395,972.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,113.50 : 795,425.40 = 263,897.28 : x
  2. Step 2: Convert to fraction form
    530,113.50/795,425.40 = 263,897.28/x
  3. Step 3: Cross multiply
    530,113.50x = 795,425.40 × 263,897.28
  4. Step 4: Simplify right side
    530,113.50x = 209,910,599,502.91
  5. Step 5: Solve for x
    x = 209,910,599,502.91/530,113.50
  6. Step 6: Final answer
    x = 395,972.94

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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.