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Finding the Fourth Proportional to 329,771,206.80, 494,656,810.20 and 191,454,829.20

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Solution

The fourth proportional to 329,771,206.80, 494,656,810.20 and 191,454,829.20 is: 287,182,243.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,771,206.80 : 494,656,810.20 = 191,454,829.20 : x
  2. Step 2: Convert to fraction form
    329,771,206.80/494,656,810.20 = 191,454,829.20/x
  3. Step 3: Cross multiply
    329,771,206.80x = 494,656,810.20 × 191,454,829.20
  4. Step 4: Simplify right side
    329,771,206.80x = 94,704,435,109,457,808
  5. Step 5: Solve for x
    x = 94,704,435,109,457,808/329,771,206.80
  6. Step 6: Final answer
    x = 287,182,243.80

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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.