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Finding the Fourth Proportional to 632,504.20, 948,918.30 and 365,787.40

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Solution

The fourth proportional to 632,504.20, 948,918.30 and 365,787.40 is: 548,774.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,504.20 : 948,918.30 = 365,787.40 : x
  2. Step 2: Convert to fraction form
    632,504.20/948,918.30 = 365,787.40/x
  3. Step 3: Cross multiply
    632,504.20x = 948,918.30 × 365,787.40
  4. Step 4: Simplify right side
    632,504.20x = 347,102,357,769.42
  5. Step 5: Solve for x
    x = 347,102,357,769.42/632,504.20
  6. Step 6: Final answer
    x = 548,774.79

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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.