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Finding the Fourth Proportional to 360,237.11, 540,366.61 and 123,576.38

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Solution

The fourth proportional to 360,237.11, 540,366.61 and 123,576.38 is: 185,368.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,237.11 : 540,366.61 = 123,576.38 : x
  2. Step 2: Convert to fraction form
    360,237.11/540,366.61 = 123,576.38/x
  3. Step 3: Cross multiply
    360,237.11x = 540,366.61 × 123,576.38
  4. Step 4: Simplify right side
    360,237.11x = 66,776,546,525.90
  5. Step 5: Solve for x
    x = 66,776,546,525.90/360,237.11
  6. Step 6: Final answer
    x = 185,368.31

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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.