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Finding the Fourth Proportional to 444,052.40, 666,078.60 and 264,426.80

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Solution

The fourth proportional to 444,052.40, 666,078.60 and 264,426.80 is: 396,640.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,052.40 : 666,078.60 = 264,426.80 : x
  2. Step 2: Convert to fraction form
    444,052.40/666,078.60 = 264,426.80/x
  3. Step 3: Cross multiply
    444,052.40x = 666,078.60 × 264,426.80
  4. Step 4: Simplify right side
    444,052.40x = 176,129,032,746.48
  5. Step 5: Solve for x
    x = 176,129,032,746.48/444,052.40
  6. Step 6: Final answer
    x = 396,640.20

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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.