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Finding the Fourth Proportional to 322,564,603.20, 483,846,904.80 and 177,445,780.80

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Solution

The fourth proportional to 322,564,603.20, 483,846,904.80 and 177,445,780.80 is: 266,168,671.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,564,603.20 : 483,846,904.80 = 177,445,780.80 : x
  2. Step 2: Convert to fraction form
    322,564,603.20/483,846,904.80 = 177,445,780.80/x
  3. Step 3: Cross multiply
    322,564,603.20x = 483,846,904.80 × 177,445,780.80
  4. Step 4: Simplify right side
    322,564,603.20x = 85,856,591,809,899,280
  5. Step 5: Solve for x
    x = 85,856,591,809,899,280/322,564,603.20
  6. Step 6: Final answer
    x = 266,168,671.20

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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.