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Finding the Fourth Proportional to 342,995.41, 514,550.98 and 118,295.74

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Solution

The fourth proportional to 342,995.41, 514,550.98 and 118,295.74 is: 177,463.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,995.41 : 514,550.98 = 118,295.74 : x
  2. Step 2: Convert to fraction form
    342,995.41/514,550.98 = 118,295.74/x
  3. Step 3: Cross multiply
    342,995.41x = 514,550.98 × 118,295.74
  4. Step 4: Simplify right side
    342,995.41x = 60,869,189,737.88
  5. Step 5: Solve for x
    x = 60,869,189,737.88/342,995.41
  6. Step 6: Final answer
    x = 177,463.57

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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.