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Finding the Fourth Proportional to 432,100.70, 648,151.05 and 362,116.70

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Solution

The fourth proportional to 432,100.70, 648,151.05 and 362,116.70 is: 543,175.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,100.70 : 648,151.05 = 362,116.70 : x
  2. Step 2: Convert to fraction form
    432,100.70/648,151.05 = 362,116.70/x
  3. Step 3: Cross multiply
    432,100.70x = 648,151.05 × 362,116.70
  4. Step 4: Simplify right side
    432,100.70x = 234,706,319,327.54
  5. Step 5: Solve for x
    x = 234,706,319,327.54/432,100.70
  6. Step 6: Final answer
    x = 543,175.05

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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.