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Finding the Fourth Proportional to 552,272.85, 828,411.30 and 168,025.47

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Solution

The fourth proportional to 552,272.85, 828,411.30 and 168,025.47 is: 252,038.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,272.85 : 828,411.30 = 168,025.47 : x
  2. Step 2: Convert to fraction form
    552,272.85/828,411.30 = 168,025.47/x
  3. Step 3: Cross multiply
    552,272.85x = 828,411.30 × 168,025.47
  4. Step 4: Simplify right side
    552,272.85x = 139,194,198,035.81
  5. Step 5: Solve for x
    x = 139,194,198,035.81/552,272.85
  6. Step 6: Final answer
    x = 252,038.82

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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.