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Finding the Fourth Proportional to 315,880.40, 473,682.36 and 94,212.56

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Solution

The fourth proportional to 315,880.40, 473,682.36 and 94,212.56 is: 141,277.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,880.40 : 473,682.36 = 94,212.56 : x
  2. Step 2: Convert to fraction form
    315,880.40/473,682.36 = 94,212.56/x
  3. Step 3: Cross multiply
    315,880.40x = 473,682.36 × 94,212.56
  4. Step 4: Simplify right side
    315,880.40x = 44,626,827,762.44
  5. Step 5: Solve for x
    x = 44,626,827,762.44/315,880.40
  6. Step 6: Final answer
    x = 141,277.61

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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.