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Finding the Fourth Proportional to 432,034.80, 648,052.20 and 362,050.80

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Solution

The fourth proportional to 432,034.80, 648,052.20 and 362,050.80 is: 543,076.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,034.80 : 648,052.20 = 362,050.80 : x
  2. Step 2: Convert to fraction form
    432,034.80/648,052.20 = 362,050.80/x
  3. Step 3: Cross multiply
    432,034.80x = 648,052.20 × 362,050.80
  4. Step 4: Simplify right side
    432,034.80x = 234,627,817,451.76
  5. Step 5: Solve for x
    x = 234,627,817,451.76/432,034.80
  6. Step 6: Final answer
    x = 543,076.20

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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.