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Finding the Fourth Proportional to 622,474.53, 933,947.10 and 243,666

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Solution

The fourth proportional to 622,474.53, 933,947.10 and 243,666 is: 365,591.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,474.53 : 933,947.10 = 243,666 : x
  2. Step 2: Convert to fraction form
    622,474.53/933,947.10 = 243,666/x
  3. Step 3: Cross multiply
    622,474.53x = 933,947.10 × 243,666
  4. Step 4: Simplify right side
    622,474.53x = 227,571,154,068.60
  5. Step 5: Solve for x
    x = 227,571,154,068.60/622,474.53
  6. Step 6: Final answer
    x = 365,591.11

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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.