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Finding the Fourth Proportional to 572,459.76, 862,804.43 and 493,451.32

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Solution

The fourth proportional to 572,459.76, 862,804.43 and 493,451.32 is: 743,723.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,459.76 : 862,804.43 = 493,451.32 : x
  2. Step 2: Convert to fraction form
    572,459.76/862,804.43 = 493,451.32/x
  3. Step 3: Cross multiply
    572,459.76x = 862,804.43 × 493,451.32
  4. Step 4: Simplify right side
    572,459.76x = 425,751,984,885.35
  5. Step 5: Solve for x
    x = 425,751,984,885.35/572,459.76
  6. Step 6: Final answer
    x = 743,723.86

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.