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Finding the Fourth Proportional to 447,740,156.40, 671,610,234.60 and 447,740,156.40

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Solution

The fourth proportional to 447,740,156.40, 671,610,234.60 and 447,740,156.40 is: 671,610,234.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,740,156.40 : 671,610,234.60 = 447,740,156.40 : x
  2. Step 2: Convert to fraction form
    447,740,156.40/671,610,234.60 = 447,740,156.40/x
  3. Step 3: Cross multiply
    447,740,156.40x = 671,610,234.60 × 447,740,156.40
  4. Step 4: Simplify right side
    447,740,156.40x = 300,706,871,479,644,672
  5. Step 5: Solve for x
    x = 300,706,871,479,644,672/447,740,156.40
  6. Step 6: Final answer
    x = 671,610,234.60

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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.