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Finding the Fourth Proportional to 549,382.50, 827,817.23 and 451,730.25

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Solution

The fourth proportional to 549,382.50, 827,817.23 and 451,730.25 is: 680,673.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,382.50 : 827,817.23 = 451,730.25 : x
  2. Step 2: Convert to fraction form
    549,382.50/827,817.23 = 451,730.25/x
  3. Step 3: Cross multiply
    549,382.50x = 827,817.23 × 451,730.25
  4. Step 4: Simplify right side
    549,382.50x = 373,950,085,391.53
  5. Step 5: Solve for x
    x = 373,950,085,391.53/549,382.50
  6. Step 6: Final answer
    x = 680,673.46

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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.