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Finding the Fourth Proportional to 534,521.99, 801,699.39 and 174,689.98

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Solution

The fourth proportional to 534,521.99, 801,699.39 and 174,689.98 is: 262,007.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,521.99 : 801,699.39 = 174,689.98 : x
  2. Step 2: Convert to fraction form
    534,521.99/801,699.39 = 174,689.98/x
  3. Step 3: Cross multiply
    534,521.99x = 801,699.39 × 174,689.98
  4. Step 4: Simplify right side
    534,521.99x = 140,048,848,400.86
  5. Step 5: Solve for x
    x = 140,048,848,400.86/534,521.99
  6. Step 6: Final answer
    x = 262,007.64

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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.