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Finding the Fourth Proportional to 572,110.40, 857,906.40 and 217,006.40

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Solution

The fourth proportional to 572,110.40, 857,906.40 and 217,006.40 is: 325,411.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,110.40 : 857,906.40 = 217,006.40 : x
  2. Step 2: Convert to fraction form
    572,110.40/857,906.40 = 217,006.40/x
  3. Step 3: Cross multiply
    572,110.40x = 857,906.40 × 217,006.40
  4. Step 4: Simplify right side
    572,110.40x = 186,171,179,400.96
  5. Step 5: Solve for x
    x = 186,171,179,400.96/572,110.40
  6. Step 6: Final answer
    x = 325,411.28

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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.