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Finding the Fourth Proportional to 539,611.83, 744,670.37 and 297,894.56

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Solution

The fourth proportional to 539,611.83, 744,670.37 and 297,894.56 is: 411,097.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,611.83 : 744,670.37 = 297,894.56 : x
  2. Step 2: Convert to fraction form
    539,611.83/744,670.37 = 297,894.56/x
  3. Step 3: Cross multiply
    539,611.83x = 744,670.37 × 297,894.56
  4. Step 4: Simplify right side
    539,611.83x = 221,833,249,237.57
  5. Step 5: Solve for x
    x = 221,833,249,237.57/539,611.83
  6. Step 6: Final answer
    x = 411,097.82

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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.