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Finding the Fourth Proportional to 474,851.40, 655,357.52 and 270,855.60

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Solution

The fourth proportional to 474,851.40, 655,357.52 and 270,855.60 is: 373,816.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,851.40 : 655,357.52 = 270,855.60 : x
  2. Step 2: Convert to fraction form
    474,851.40/655,357.52 = 270,855.60/x
  3. Step 3: Cross multiply
    474,851.40x = 655,357.52 × 270,855.60
  4. Step 4: Simplify right side
    474,851.40x = 177,507,254,294.11
  5. Step 5: Solve for x
    x = 177,507,254,294.11/474,851.40
  6. Step 6: Final answer
    x = 373,816.43

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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.