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Finding the Fourth Proportional to 519,698.04, 717,168.78 and 293,364.60

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Solution

The fourth proportional to 519,698.04, 717,168.78 and 293,364.60 is: 404,834.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,698.04 : 717,168.78 = 293,364.60 : x
  2. Step 2: Convert to fraction form
    519,698.04/717,168.78 = 293,364.60/x
  3. Step 3: Cross multiply
    519,698.04x = 717,168.78 × 293,364.60
  4. Step 4: Simplify right side
    519,698.04x = 210,391,932,277.19
  5. Step 5: Solve for x
    x = 210,391,932,277.19/519,698.04
  6. Step 6: Final answer
    x = 404,834.95

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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.