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Finding the Fourth Proportional to 360,576.40, 540,953.16 and 123,922.48

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Solution

The fourth proportional to 360,576.40, 540,953.16 and 123,922.48 is: 185,914.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,576.40 : 540,953.16 = 123,922.48 : x
  2. Step 2: Convert to fraction form
    360,576.40/540,953.16 = 123,922.48/x
  3. Step 3: Cross multiply
    360,576.40x = 540,953.16 × 123,922.48
  4. Step 4: Simplify right side
    360,576.40x = 67,036,257,151.04
  5. Step 5: Solve for x
    x = 67,036,257,151.04/360,576.40
  6. Step 6: Final answer
    x = 185,914.16

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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.