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Finding the Fourth Proportional to 627,636.78, 941,461.74 and 248,649.75

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Solution

The fourth proportional to 627,636.78, 941,461.74 and 248,649.75 is: 372,977.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,636.78 : 941,461.74 = 248,649.75 : x
  2. Step 2: Convert to fraction form
    627,636.78/941,461.74 = 248,649.75/x
  3. Step 3: Cross multiply
    627,636.78x = 941,461.74 × 248,649.75
  4. Step 4: Simplify right side
    627,636.78x = 234,094,226,285.57
  5. Step 5: Solve for x
    x = 234,094,226,285.57/627,636.78
  6. Step 6: Final answer
    x = 372,977.23

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1.5x scale

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.