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Finding the Fourth Proportional to 570,357.73, 855,241.35 and 304,046.74

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Solution

The fourth proportional to 570,357.73, 855,241.35 and 304,046.74 is: 455,912.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,357.73 : 855,241.35 = 304,046.74 : x
  2. Step 2: Convert to fraction form
    570,357.73/855,241.35 = 304,046.74/x
  3. Step 3: Cross multiply
    570,357.73x = 855,241.35 × 304,046.74
  4. Step 4: Simplify right side
    570,357.73x = 260,033,344,380.70
  5. Step 5: Solve for x
    x = 260,033,344,380.70/570,357.73
  6. Step 6: Final answer
    x = 455,912.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.