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Finding the Fourth Proportional to 522,521.81, 783,594.64 and 180,872.41

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Solution

The fourth proportional to 522,521.81, 783,594.64 and 180,872.41 is: 271,243.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,521.81 : 783,594.64 = 180,872.41 : x
  2. Step 2: Convert to fraction form
    522,521.81/783,594.64 = 180,872.41/x
  3. Step 3: Cross multiply
    522,521.81x = 783,594.64 × 180,872.41
  4. Step 4: Simplify right side
    522,521.81x = 141,730,649,266.99
  5. Step 5: Solve for x
    x = 141,730,649,266.99/522,521.81
  6. Step 6: Final answer
    x = 271,243.51

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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.