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Finding the Fourth Proportional to 633,433.94, 874,137.50 and 343,044.58

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Solution

The fourth proportional to 633,433.94, 874,137.50 and 343,044.58 is: 473,400.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,433.94 : 874,137.50 = 343,044.58 : x
  2. Step 2: Convert to fraction form
    633,433.94/874,137.50 = 343,044.58/x
  3. Step 3: Cross multiply
    633,433.94x = 874,137.50 × 343,044.58
  4. Step 4: Simplify right side
    633,433.94x = 299,868,131,549.75
  5. Step 5: Solve for x
    x = 299,868,131,549.75/633,433.94
  6. Step 6: Final answer
    x = 473,400.80

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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.