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Finding the Fourth Proportional to 633,268.80, 949,903.20 and 605,966.40

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Solution

The fourth proportional to 633,268.80, 949,903.20 and 605,966.40 is: 908,949.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,268.80 : 949,903.20 = 605,966.40 : x
  2. Step 2: Convert to fraction form
    633,268.80/949,903.20 = 605,966.40/x
  3. Step 3: Cross multiply
    633,268.80x = 949,903.20 × 605,966.40
  4. Step 4: Simplify right side
    633,268.80x = 575,609,422,452.48
  5. Step 5: Solve for x
    x = 575,609,422,452.48/633,268.80
  6. Step 6: Final answer
    x = 908,949.60

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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.