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Finding the Fourth Proportional to 627,774.98, 941,520.60 and 178,485.98

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Solution

The fourth proportional to 627,774.98, 941,520.60 and 178,485.98 is: 267,688.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,774.98 : 941,520.60 = 178,485.98 : x
  2. Step 2: Convert to fraction form
    627,774.98/941,520.60 = 178,485.98/x
  3. Step 3: Cross multiply
    627,774.98x = 941,520.60 × 178,485.98
  4. Step 4: Simplify right side
    627,774.98x = 168,048,226,981.19
  5. Step 5: Solve for x
    x = 168,048,226,981.19/627,774.98
  6. Step 6: Final answer
    x = 267,688.63

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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.