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Finding the Fourth Proportional to 432,487.53, 596,830.43 and 238,908.57

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Solution

The fourth proportional to 432,487.53, 596,830.43 and 238,908.57 is: 329,692.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,487.53 : 596,830.43 = 238,908.57 : x
  2. Step 2: Convert to fraction form
    432,487.53/596,830.43 = 238,908.57/x
  3. Step 3: Cross multiply
    432,487.53x = 596,830.43 × 238,908.57
  4. Step 4: Simplify right side
    432,487.53x = 142,587,903,369.24
  5. Step 5: Solve for x
    x = 142,587,903,369.24/432,487.53
  6. Step 6: Final answer
    x = 329,692.52

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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.