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Finding the Fourth Proportional to 365,220.60, 547,830.90 and 276,647.10

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Solution

The fourth proportional to 365,220.60, 547,830.90 and 276,647.10 is: 414,970.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,220.60 : 547,830.90 = 276,647.10 : x
  2. Step 2: Convert to fraction form
    365,220.60/547,830.90 = 276,647.10/x
  3. Step 3: Cross multiply
    365,220.60x = 547,830.90 × 276,647.10
  4. Step 4: Simplify right side
    365,220.60x = 151,555,829,775.39
  5. Step 5: Solve for x
    x = 151,555,829,775.39/365,220.60
  6. Step 6: Final answer
    x = 414,970.65

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Similar ratio
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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.