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Finding the Fourth Proportional to 552,389.74, 828,585.42 and 168,141.94

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Solution

The fourth proportional to 552,389.74, 828,585.42 and 168,141.94 is: 252,213.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,389.74 : 828,585.42 = 168,141.94 : x
  2. Step 2: Convert to fraction form
    552,389.74/828,585.42 = 168,141.94/x
  3. Step 3: Cross multiply
    552,389.74x = 828,585.42 × 168,141.94
  4. Step 4: Simplify right side
    552,389.74x = 139,319,959,974.52
  5. Step 5: Solve for x
    x = 139,319,959,974.52/552,389.74
  6. Step 6: Final answer
    x = 252,213.16

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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.