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Finding the Fourth Proportional to 483,772.40, 667,580.64 and 292,774.40

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Solution

The fourth proportional to 483,772.40, 667,580.64 and 292,774.40 is: 404,013.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,772.40 : 667,580.64 = 292,774.40 : x
  2. Step 2: Convert to fraction form
    483,772.40/667,580.64 = 292,774.40/x
  3. Step 3: Cross multiply
    483,772.40x = 667,580.64 × 292,774.40
  4. Step 4: Simplify right side
    483,772.40x = 195,450,521,327.62
  5. Step 5: Solve for x
    x = 195,450,521,327.62/483,772.40
  6. Step 6: Final answer
    x = 404,013.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.