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Finding the Fourth Proportional to 579,632.75, 799,729.65 and 375,692.27

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Solution

The fourth proportional to 579,632.75, 799,729.65 and 375,692.27 is: 518,349.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,632.75 : 799,729.65 = 375,692.27 : x
  2. Step 2: Convert to fraction form
    579,632.75/799,729.65 = 375,692.27/x
  3. Step 3: Cross multiply
    579,632.75x = 799,729.65 × 375,692.27
  4. Step 4: Simplify right side
    579,632.75x = 300,452,243,596.16
  5. Step 5: Solve for x
    x = 300,452,243,596.16/579,632.75
  6. Step 6: Final answer
    x = 518,349.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.