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Finding the Fourth Proportional to 474,387.44, 654,683.68 and 273,248.24

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Solution

The fourth proportional to 474,387.44, 654,683.68 and 273,248.24 is: 377,099.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,387.44 : 654,683.68 = 273,248.24 : x
  2. Step 2: Convert to fraction form
    474,387.44/654,683.68 = 273,248.24/x
  3. Step 3: Cross multiply
    474,387.44x = 654,683.68 × 273,248.24
  4. Step 4: Simplify right side
    474,387.44x = 178,891,163,316.72
  5. Step 5: Solve for x
    x = 178,891,163,316.72/474,387.44
  6. Step 6: Final answer
    x = 377,099.28

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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.