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Finding the Fourth Proportional to 540,546.90, 810,919.17 and 180,683.70

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Solution

The fourth proportional to 540,546.90, 810,919.17 and 180,683.70 is: 271,058.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,546.90 : 810,919.17 = 180,683.70 : x
  2. Step 2: Convert to fraction form
    540,546.90/810,919.17 = 180,683.70/x
  3. Step 3: Cross multiply
    540,546.90x = 810,919.17 × 180,683.70
  4. Step 4: Simplify right side
    540,546.90x = 146,519,876,036.53
  5. Step 5: Solve for x
    x = 146,519,876,036.53/540,546.90
  6. Step 6: Final answer
    x = 271,058.58

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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.