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Finding the Fourth Proportional to 602,221.75, 903,046.60 and 349,579.74

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Solution

The fourth proportional to 602,221.75, 903,046.60 and 349,579.74 is: 524,203.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,221.75 : 903,046.60 = 349,579.74 : x
  2. Step 2: Convert to fraction form
    602,221.75/903,046.60 = 349,579.74/x
  3. Step 3: Cross multiply
    602,221.75x = 903,046.60 × 349,579.74
  4. Step 4: Simplify right side
    602,221.75x = 315,686,795,635.88
  5. Step 5: Solve for x
    x = 315,686,795,635.88/602,221.75
  6. Step 6: Final answer
    x = 524,203.58

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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.