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Finding the Fourth Proportional to 574,477.84, 861,716.98 and 573,647.69

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Solution

The fourth proportional to 574,477.84, 861,716.98 and 573,647.69 is: 860,471.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,477.84 : 861,716.98 = 573,647.69 : x
  2. Step 2: Convert to fraction form
    574,477.84/861,716.98 = 573,647.69/x
  3. Step 3: Cross multiply
    574,477.84x = 861,716.98 × 573,647.69
  4. Step 4: Simplify right side
    574,477.84x = 494,321,955,730.95
  5. Step 5: Solve for x
    x = 494,321,955,730.95/574,477.84
  6. Step 6: Final answer
    x = 860,471.76

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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.