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Finding the Fourth Proportional to 637,685.76, 880,033.50 and 365,830.32

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Solution

The fourth proportional to 637,685.76, 880,033.50 and 365,830.32 is: 504,861.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,685.76 : 880,033.50 = 365,830.32 : x
  2. Step 2: Convert to fraction form
    637,685.76/880,033.50 = 365,830.32/x
  3. Step 3: Cross multiply
    637,685.76x = 880,033.50 × 365,830.32
  4. Step 4: Simplify right side
    637,685.76x = 321,942,936,915.72
  5. Step 5: Solve for x
    x = 321,942,936,915.72/637,685.76
  6. Step 6: Final answer
    x = 504,861.42

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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.