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Finding the Fourth Proportional to 574,052.19, 860,649.35 and 396,051.27

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Solution

The fourth proportional to 574,052.19, 860,649.35 and 396,051.27 is: 593,780.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,052.19 : 860,649.35 = 396,051.27 : x
  2. Step 2: Convert to fraction form
    574,052.19/860,649.35 = 396,051.27/x
  3. Step 3: Cross multiply
    574,052.19x = 860,649.35 × 396,051.27
  4. Step 4: Simplify right side
    574,052.19x = 340,861,266,111.92
  5. Step 5: Solve for x
    x = 340,861,266,111.92/574,052.19
  6. Step 6: Final answer
    x = 593,780.97

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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.