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Finding the Fourth Proportional to 637,340.94, 956,213.64 and 188,064

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Solution

The fourth proportional to 637,340.94, 956,213.64 and 188,064 is: 282,155.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,340.94 : 956,213.64 = 188,064 : x
  2. Step 2: Convert to fraction form
    637,340.94/956,213.64 = 188,064/x
  3. Step 3: Cross multiply
    637,340.94x = 956,213.64 × 188,064
  4. Step 4: Simplify right side
    637,340.94x = 179,829,361,992.96
  5. Step 5: Solve for x
    x = 179,829,361,992.96/637,340.94
  6. Step 6: Final answer
    x = 282,155.67

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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.