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Finding the Fourth Proportional to 495,257.60, 742,886.40 and 179,600.60

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Solution

The fourth proportional to 495,257.60, 742,886.40 and 179,600.60 is: 269,400.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,257.60 : 742,886.40 = 179,600.60 : x
  2. Step 2: Convert to fraction form
    495,257.60/742,886.40 = 179,600.60/x
  3. Step 3: Cross multiply
    495,257.60x = 742,886.40 × 179,600.60
  4. Step 4: Simplify right side
    495,257.60x = 133,422,843,171.84
  5. Step 5: Solve for x
    x = 133,422,843,171.84/495,257.60
  6. Step 6: Final answer
    x = 269,400.90

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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.