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Finding the Fourth Proportional to 562,441,186.72, 843,354,227.03 and 446,600,666.89

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Solution

The fourth proportional to 562,441,186.72, 843,354,227.03 and 446,600,666.89 is: 669,656,790.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,441,186.72 : 843,354,227.03 = 446,600,666.89 : x
  2. Step 2: Convert to fraction form
    562,441,186.72/843,354,227.03 = 446,600,666.89/x
  3. Step 3: Cross multiply
    562,441,186.72x = 843,354,227.03 × 446,600,666.89
  4. Step 4: Simplify right side
    562,441,186.72x = 376,642,560,216,098,432
  5. Step 5: Solve for x
    x = 376,642,560,216,098,432/562,441,186.72
  6. Step 6: Final answer
    x = 669,656,790.98

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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.