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Finding the Fourth Proportional to 273,266,230.40, 409,899,345.60 and 246,906,756.80

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Solution

The fourth proportional to 273,266,230.40, 409,899,345.60 and 246,906,756.80 is: 370,360,135.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,266,230.40 : 409,899,345.60 = 246,906,756.80 : x
  2. Step 2: Convert to fraction form
    273,266,230.40/409,899,345.60 = 246,906,756.80/x
  3. Step 3: Cross multiply
    273,266,230.40x = 409,899,345.60 × 246,906,756.80
  4. Step 4: Simplify right side
    273,266,230.40x = 101,206,918,036,538,368
  5. Step 5: Solve for x
    x = 101,206,918,036,538,368/273,266,230.40
  6. Step 6: Final answer
    x = 370,360,135.20

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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.