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Finding the Fourth Proportional to 539,598.14, 744,651.47 and 297,880.85

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Solution

The fourth proportional to 539,598.14, 744,651.47 and 297,880.85 is: 411,078.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,598.14 : 744,651.47 = 297,880.85 : x
  2. Step 2: Convert to fraction form
    539,598.14/744,651.47 = 297,880.85/x
  3. Step 3: Cross multiply
    539,598.14x = 744,651.47 × 297,880.85
  4. Step 4: Simplify right side
    539,598.14x = 221,817,409,858.79
  5. Step 5: Solve for x
    x = 221,817,409,858.79/539,598.14
  6. Step 6: Final answer
    x = 411,078.90

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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.