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Finding the Fourth Proportional to 292,419.25, 437,630.88 and 245,087.78

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Solution

The fourth proportional to 292,419.25, 437,630.88 and 245,087.78 is: 366,795.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,419.25 : 437,630.88 = 245,087.78 : x
  2. Step 2: Convert to fraction form
    292,419.25/437,630.88 = 245,087.78/x
  3. Step 3: Cross multiply
    292,419.25x = 437,630.88 × 245,087.78
  4. Step 4: Simplify right side
    292,419.25x = 107,257,979,569.57
  5. Step 5: Solve for x
    x = 107,257,979,569.57/292,419.25
  6. Step 6: Final answer
    x = 366,795.21

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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.