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Finding the Fourth Proportional to 362,159.10, 543,676.05 and 359,534.70

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Solution

The fourth proportional to 362,159.10, 543,676.05 and 359,534.70 is: 539,736.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,159.10 : 543,676.05 = 359,534.70 : x
  2. Step 2: Convert to fraction form
    362,159.10/543,676.05 = 359,534.70/x
  3. Step 3: Cross multiply
    362,159.10x = 543,676.05 × 359,534.70
  4. Step 4: Simplify right side
    362,159.10x = 195,470,405,533.94
  5. Step 5: Solve for x
    x = 195,470,405,533.94/362,159.10
  6. Step 6: Final answer
    x = 539,736.28

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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.