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Finding the Fourth Proportional to 572,699.60, 858,830.70 and 173,207.60

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Solution

The fourth proportional to 572,699.60, 858,830.70 and 173,207.60 is: 259,745.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,699.60 : 858,830.70 = 173,207.60 : x
  2. Step 2: Convert to fraction form
    572,699.60/858,830.70 = 173,207.60/x
  3. Step 3: Cross multiply
    572,699.60x = 858,830.70 × 173,207.60
  4. Step 4: Simplify right side
    572,699.60x = 148,756,004,353.32
  5. Step 5: Solve for x
    x = 148,756,004,353.32/572,699.60
  6. Step 6: Final answer
    x = 259,745.26

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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.