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Finding the Fourth Proportional to 530,356.12, 794,605.92 and 361,327.75

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Solution

The fourth proportional to 530,356.12, 794,605.92 and 361,327.75 is: 541,359.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,356.12 : 794,605.92 = 361,327.75 : x
  2. Step 2: Convert to fraction form
    530,356.12/794,605.92 = 361,327.75/x
  3. Step 3: Cross multiply
    530,356.12x = 794,605.92 × 361,327.75
  4. Step 4: Simplify right side
    530,356.12x = 287,113,169,210.28
  5. Step 5: Solve for x
    x = 287,113,169,210.28/530,356.12
  6. Step 6: Final answer
    x = 541,359.21

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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.