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Finding the Fourth Proportional to 610,889,682.42, 843,449,529.08 and 571,860,655.38

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Solution

The fourth proportional to 610,889,682.42, 843,449,529.08 and 571,860,655.38 is: 789,562,525.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,889,682.42 : 843,449,529.08 = 571,860,655.38 : x
  2. Step 2: Convert to fraction form
    610,889,682.42/843,449,529.08 = 571,860,655.38/x
  3. Step 3: Cross multiply
    610,889,682.42x = 843,449,529.08 × 571,860,655.38
  4. Step 4: Simplify right side
    610,889,682.42x = 482,335,600,472,564,672
  5. Step 5: Solve for x
    x = 482,335,600,472,564,672/610,889,682.42
  6. Step 6: Final answer
    x = 789,562,525.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.