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Finding the Fourth Proportional to 373,057,318.70, 559,585,978.05 and 295,123,136.30

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Solution

The fourth proportional to 373,057,318.70, 559,585,978.05 and 295,123,136.30 is: 442,684,704.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,057,318.70 : 559,585,978.05 = 295,123,136.30 : x
  2. Step 2: Convert to fraction form
    373,057,318.70/559,585,978.05 = 295,123,136.30/x
  3. Step 3: Cross multiply
    373,057,318.70x = 559,585,978.05 × 295,123,136.30
  4. Step 4: Simplify right side
    373,057,318.70x = 165,146,768,871,618,944
  5. Step 5: Solve for x
    x = 165,146,768,871,618,944/373,057,318.70
  6. Step 6: Final answer
    x = 442,684,704.45

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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.