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Finding the Fourth Proportional to 540,392.23, 810,676.43 and 166,415.23

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Solution

The fourth proportional to 540,392.23, 810,676.43 and 166,415.23 is: 249,649.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,392.23 : 810,676.43 = 166,415.23 : x
  2. Step 2: Convert to fraction form
    540,392.23/810,676.43 = 166,415.23/x
  3. Step 3: Cross multiply
    540,392.23x = 810,676.43 × 166,415.23
  4. Step 4: Simplify right side
    540,392.23x = 134,908,904,554.03
  5. Step 5: Solve for x
    x = 134,908,904,554.03/540,392.23
  6. Step 6: Final answer
    x = 249,649.97

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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.