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Finding the Fourth Proportional to 362,231.10, 543,346.65 and 356,010.30

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Solution

The fourth proportional to 362,231.10, 543,346.65 and 356,010.30 is: 534,015.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,231.10 : 543,346.65 = 356,010.30 : x
  2. Step 2: Convert to fraction form
    362,231.10/543,346.65 = 356,010.30/x
  3. Step 3: Cross multiply
    362,231.10x = 543,346.65 × 356,010.30
  4. Step 4: Simplify right side
    362,231.10x = 193,437,003,870.50
  5. Step 5: Solve for x
    x = 193,437,003,870.50/362,231.10
  6. Step 6: Final answer
    x = 534,015.45

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1.5x scale

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.