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Finding the Fourth Proportional to 360,335.16, 540,515.58 and 123,676.20

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Solution

The fourth proportional to 360,335.16, 540,515.58 and 123,676.20 is: 185,518.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,335.16 : 540,515.58 = 123,676.20 : x
  2. Step 2: Convert to fraction form
    360,335.16/540,515.58 = 123,676.20/x
  3. Step 3: Cross multiply
    360,335.16x = 540,515.58 × 123,676.20
  4. Step 4: Simplify right side
    360,335.16x = 66,848,912,975.20
  5. Step 5: Solve for x
    x = 66,848,912,975.20/360,335.16
  6. Step 6: Final answer
    x = 185,518.71

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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.