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Finding the Fourth Proportional to 539,342.64, 744,591.18 and 324,535.50

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Solution

The fourth proportional to 539,342.64, 744,591.18 and 324,535.50 is: 448,038.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,342.64 : 744,591.18 = 324,535.50 : x
  2. Step 2: Convert to fraction form
    539,342.64/744,591.18 = 324,535.50/x
  3. Step 3: Cross multiply
    539,342.64x = 744,591.18 × 324,535.50
  4. Step 4: Simplify right side
    539,342.64x = 241,646,270,896.89
  5. Step 5: Solve for x
    x = 241,646,270,896.89/539,342.64
  6. Step 6: Final answer
    x = 448,038.51

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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.