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Finding the Fourth Proportional to 554,843.64, 764,987.12 and 452,765.42

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Solution

The fourth proportional to 554,843.64, 764,987.12 and 452,765.42 is: 624,247.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,843.64 : 764,987.12 = 452,765.42 : x
  2. Step 2: Convert to fraction form
    554,843.64/764,987.12 = 452,765.42/x
  3. Step 3: Cross multiply
    554,843.64x = 764,987.12 × 452,765.42
  4. Step 4: Simplify right side
    554,843.64x = 346,359,714,681.39
  5. Step 5: Solve for x
    x = 346,359,714,681.39/554,843.64
  6. Step 6: Final answer
    x = 624,247.43

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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.