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Finding the Fourth Proportional to 491,505.60, 737,258.40 and 444,266.40

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Solution

The fourth proportional to 491,505.60, 737,258.40 and 444,266.40 is: 666,399.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,505.60 : 737,258.40 = 444,266.40 : x
  2. Step 2: Convert to fraction form
    491,505.60/737,258.40 = 444,266.40/x
  3. Step 3: Cross multiply
    491,505.60x = 737,258.40 × 444,266.40
  4. Step 4: Simplify right side
    491,505.60x = 327,539,135,237.76
  5. Step 5: Solve for x
    x = 327,539,135,237.76/491,505.60
  6. Step 6: Final answer
    x = 666,399.60

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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.