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Finding the Fourth Proportional to 554,521.82, 831,695.97 and 180,542.30

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Solution

The fourth proportional to 554,521.82, 831,695.97 and 180,542.30 is: 270,785.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,521.82 : 831,695.97 = 180,542.30 : x
  2. Step 2: Convert to fraction form
    554,521.82/831,695.97 = 180,542.30/x
  3. Step 3: Cross multiply
    554,521.82x = 831,695.97 × 180,542.30
  4. Step 4: Simplify right side
    554,521.82x = 150,156,303,324.53
  5. Step 5: Solve for x
    x = 150,156,303,324.53/554,521.82
  6. Step 6: Final answer
    x = 270,785.20

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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.