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Finding the Fourth Proportional to 539,511.60, 744,068.92 and 324,611.51

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Solution

The fourth proportional to 539,511.60, 744,068.92 and 324,611.51 is: 447,688.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,511.60 : 744,068.92 = 324,611.51 : x
  2. Step 2: Convert to fraction form
    539,511.60/744,068.92 = 324,611.51/x
  3. Step 3: Cross multiply
    539,511.60x = 744,068.92 × 324,611.51
  4. Step 4: Simplify right side
    539,511.60x = 241,533,335,665.27
  5. Step 5: Solve for x
    x = 241,533,335,665.27/539,511.60
  6. Step 6: Final answer
    x = 447,688.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.