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Finding the Fourth Proportional to 388,183,456.04, 581,843,885.39 and 295,762,503.61

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Solution

The fourth proportional to 388,183,456.04, 581,843,885.39 and 295,762,503.61 is: 443,315,142.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,183,456.04 : 581,843,885.39 = 295,762,503.61 : x
  2. Step 2: Convert to fraction form
    388,183,456.04/581,843,885.39 = 295,762,503.61/x
  3. Step 3: Cross multiply
    388,183,456.04x = 581,843,885.39 × 295,762,503.61
  4. Step 4: Simplify right side
    388,183,456.04x = 172,087,604,248,728,288
  5. Step 5: Solve for x
    x = 172,087,604,248,728,288/388,183,456.04
  6. Step 6: Final answer
    x = 443,315,142.80

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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.