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Finding the Fourth Proportional to 574,588.44, 860,717.88 and 266,407.56

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Solution

The fourth proportional to 574,588.44, 860,717.88 and 266,407.56 is: 399,071.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,588.44 : 860,717.88 = 266,407.56 : x
  2. Step 2: Convert to fraction form
    574,588.44/860,717.88 = 266,407.56/x
  3. Step 3: Cross multiply
    574,588.44x = 860,717.88 × 266,407.56
  4. Step 4: Simplify right side
    574,588.44x = 229,301,750,259.17
  5. Step 5: Solve for x
    x = 229,301,750,259.17/574,588.44
  6. Step 6: Final answer
    x = 399,071.29

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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.