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Finding the Fourth Proportional to 519,608.04, 716,982.04 and 315,552.52

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Solution

The fourth proportional to 519,608.04, 716,982.04 and 315,552.52 is: 435,415.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,608.04 : 716,982.04 = 315,552.52 : x
  2. Step 2: Convert to fraction form
    519,608.04/716,982.04 = 315,552.52/x
  3. Step 3: Cross multiply
    519,608.04x = 716,982.04 × 315,552.52
  4. Step 4: Simplify right side
    519,608.04x = 226,245,489,516.74
  5. Step 5: Solve for x
    x = 226,245,489,516.74/519,608.04
  6. Step 6: Final answer
    x = 435,415.68

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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.