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Finding the Fourth Proportional to 302,583,992.80, 453,708,027.60 and 120,625,592.80

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Solution

The fourth proportional to 302,583,992.80, 453,708,027.60 and 120,625,592.80 is: 180,871,431.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,583,992.80 : 453,708,027.60 = 120,625,592.80 : x
  2. Step 2: Convert to fraction form
    302,583,992.80/453,708,027.60 = 120,625,592.80/x
  3. Step 3: Cross multiply
    302,583,992.80x = 453,708,027.60 × 120,625,592.80
  4. Step 4: Simplify right side
    302,583,992.80x = 54,728,799,787,368,760
  5. Step 5: Solve for x
    x = 54,728,799,787,368,760/302,583,992.80
  6. Step 6: Final answer
    x = 180,871,431.04

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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.