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Finding the Fourth Proportional to 574,185.51, 860,699.28 and 361,105.68

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Solution

The fourth proportional to 574,185.51, 860,699.28 and 361,105.68 is: 541,294.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,185.51 : 860,699.28 = 361,105.68 : x
  2. Step 2: Convert to fraction form
    574,185.51/860,699.28 = 361,105.68/x
  3. Step 3: Cross multiply
    574,185.51x = 860,699.28 × 361,105.68
  4. Step 4: Simplify right side
    574,185.51x = 310,803,398,779.91
  5. Step 5: Solve for x
    x = 310,803,398,779.91/574,185.51
  6. Step 6: Final answer
    x = 541,294.40

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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.