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Finding the Fourth Proportional to 297,737.88, 446,539.50 and 87,392.22

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Solution

The fourth proportional to 297,737.88, 446,539.50 and 87,392.22 is: 131,068.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,737.88 : 446,539.50 = 87,392.22 : x
  2. Step 2: Convert to fraction form
    297,737.88/446,539.50 = 87,392.22/x
  3. Step 3: Cross multiply
    297,737.88x = 446,539.50 × 87,392.22
  4. Step 4: Simplify right side
    297,737.88x = 39,024,078,222.69
  5. Step 5: Solve for x
    x = 39,024,078,222.69/297,737.88
  6. Step 6: Final answer
    x = 131,068.57

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1.5x scale

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.