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Finding the Fourth Proportional to 539,535.08, 744,558.29 and 297,817.59

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Solution

The fourth proportional to 539,535.08, 744,558.29 and 297,817.59 is: 410,988.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,535.08 : 744,558.29 = 297,817.59 : x
  2. Step 2: Convert to fraction form
    539,535.08/744,558.29 = 297,817.59/x
  3. Step 3: Cross multiply
    539,535.08x = 744,558.29 × 297,817.59
  4. Step 4: Simplify right side
    539,535.08x = 221,742,555,542.32
  5. Step 5: Solve for x
    x = 221,742,555,542.32/539,535.08
  6. Step 6: Final answer
    x = 410,988.21

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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.