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Finding the Fourth Proportional to 574,499.68, 860,942.91 and 454,026.96

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Solution

The fourth proportional to 574,499.68, 860,942.91 and 454,026.96 is: 680,402.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,499.68 : 860,942.91 = 454,026.96 : x
  2. Step 2: Convert to fraction form
    574,499.68/860,942.91 = 454,026.96/x
  3. Step 3: Cross multiply
    574,499.68x = 860,942.91 × 454,026.96
  4. Step 4: Simplify right side
    574,499.68x = 390,891,289,890.72
  5. Step 5: Solve for x
    x = 390,891,289,890.72/574,499.68
  6. Step 6: Final answer
    x = 680,402.98

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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.