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Finding the Fourth Proportional to 444,383.10, 666,574.65 and 355,809.60

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Solution

The fourth proportional to 444,383.10, 666,574.65 and 355,809.60 is: 533,714.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,383.10 : 666,574.65 = 355,809.60 : x
  2. Step 2: Convert to fraction form
    444,383.10/666,574.65 = 355,809.60/x
  3. Step 3: Cross multiply
    444,383.10x = 666,574.65 × 355,809.60
  4. Step 4: Simplify right side
    444,383.10x = 237,173,659,586.64
  5. Step 5: Solve for x
    x = 237,173,659,586.64/444,383.10
  6. Step 6: Final answer
    x = 533,714.40

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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.