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Finding the Fourth Proportional to 536,436.60, 803,733.30 and 349,351.80

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Solution

The fourth proportional to 536,436.60, 803,733.30 and 349,351.80 is: 523,427.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,436.60 : 803,733.30 = 349,351.80 : x
  2. Step 2: Convert to fraction form
    536,436.60/803,733.30 = 349,351.80/x
  3. Step 3: Cross multiply
    536,436.60x = 803,733.30 × 349,351.80
  4. Step 4: Simplify right side
    536,436.60x = 280,785,675,074.94
  5. Step 5: Solve for x
    x = 280,785,675,074.94/536,436.60
  6. Step 6: Final answer
    x = 523,427.51

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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.