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Finding the Fourth Proportional to 572,366.00, 858,580.59 and 172,996.71

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Solution

The fourth proportional to 572,366.00, 858,580.59 and 172,996.71 is: 259,504.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,366.00 : 858,580.59 = 172,996.71 : x
  2. Step 2: Convert to fraction form
    572,366.00/858,580.59 = 172,996.71/x
  3. Step 3: Cross multiply
    572,366.00x = 858,580.59 × 172,996.71
  4. Step 4: Simplify right side
    572,366.00x = 148,531,617,339.86
  5. Step 5: Solve for x
    x = 148,531,617,339.86/572,366.00
  6. Step 6: Final answer
    x = 259,504.62

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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.