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Finding the Fourth Proportional to 539,511.10, 744,068.23 and 324,611.02

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Solution

The fourth proportional to 539,511.10, 744,068.23 and 324,611.02 is: 447,688.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,511.10 : 744,068.23 = 324,611.02 : x
  2. Step 2: Convert to fraction form
    539,511.10/744,068.23 = 324,611.02/x
  3. Step 3: Cross multiply
    539,511.10x = 744,068.23 × 324,611.02
  4. Step 4: Simplify right side
    539,511.10x = 241,532,747,089.90
  5. Step 5: Solve for x
    x = 241,532,747,089.90/539,511.10
  6. Step 6: Final answer
    x = 447,688.19

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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.