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Finding the Fourth Proportional to 539,532.05, 744,550.63 and 294,515.83

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Solution

The fourth proportional to 539,532.05, 744,550.63 and 294,515.83 is: 406,429.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,532.05 : 744,550.63 = 294,515.83 : x
  2. Step 2: Convert to fraction form
    539,532.05/744,550.63 = 294,515.83/x
  3. Step 3: Cross multiply
    539,532.05x = 744,550.63 × 294,515.83
  4. Step 4: Simplify right side
    539,532.05x = 219,281,944,173.81
  5. Step 5: Solve for x
    x = 219,281,944,173.81/539,532.05
  6. Step 6: Final answer
    x = 406,429.87

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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.