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Finding the Fourth Proportional to 574,210.16, 860,987.04 and 174,732.80

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Solution

The fourth proportional to 574,210.16, 860,987.04 and 174,732.80 is: 261,999.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,210.16 : 860,987.04 = 174,732.80 : x
  2. Step 2: Convert to fraction form
    574,210.16/860,987.04 = 174,732.80/x
  3. Step 3: Cross multiply
    574,210.16x = 860,987.04 × 174,732.80
  4. Step 4: Simplify right side
    574,210.16x = 150,442,676,262.91
  5. Step 5: Solve for x
    x = 150,442,676,262.91/574,210.16
  6. Step 6: Final answer
    x = 261,999.33

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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.