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Finding the Fourth Proportional to 583,086.16, 874,328.96 and 267,272.56

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Solution

The fourth proportional to 583,086.16, 874,328.96 and 267,272.56 is: 400,771.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,086.16 : 874,328.96 = 267,272.56 : x
  2. Step 2: Convert to fraction form
    583,086.16/874,328.96 = 267,272.56/x
  3. Step 3: Cross multiply
    583,086.16x = 874,328.96 × 267,272.56
  4. Step 4: Simplify right side
    583,086.16x = 233,684,139,421.34
  5. Step 5: Solve for x
    x = 233,684,139,421.34/583,086.16
  6. Step 6: Final answer
    x = 400,771.20

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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.