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Finding the Fourth Proportional to 832,861.20, 1,149,347.02 and 450,887.88

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Solution

The fourth proportional to 832,861.20, 1,149,347.02 and 450,887.88 is: 622,224.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    832,861.20 : 1,149,347.02 = 450,887.88 : x
  2. Step 2: Convert to fraction form
    832,861.20/1,149,347.02 = 450,887.88/x
  3. Step 3: Cross multiply
    832,861.20x = 1,149,347.02 × 450,887.88
  4. Step 4: Simplify right side
    832,861.20x = 518,226,641,232.12
  5. Step 5: Solve for x
    x = 518,226,641,232.12/832,861.20
  6. Step 6: Final answer
    x = 622,224.50

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.