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Finding the Fourth Proportional to 539,499.92, 744,498.52 and 294,476.60

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Solution

The fourth proportional to 539,499.92, 744,498.52 and 294,476.60 is: 406,371.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,499.92 : 744,498.52 = 294,476.60 : x
  2. Step 2: Convert to fraction form
    539,499.92/744,498.52 = 294,476.60/x
  3. Step 3: Cross multiply
    539,499.92x = 744,498.52 × 294,476.60
  4. Step 4: Simplify right side
    539,499.92x = 219,237,392,874.63
  5. Step 5: Solve for x
    x = 219,237,392,874.63/539,499.92
  6. Step 6: Final answer
    x = 406,371.50

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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.