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Finding the Fourth Proportional to 519,254.28, 716,522.37 and 301,405.16

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Solution

The fourth proportional to 519,254.28, 716,522.37 and 301,405.16 is: 415,910.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,254.28 : 716,522.37 = 301,405.16 : x
  2. Step 2: Convert to fraction form
    519,254.28/716,522.37 = 301,405.16/x
  3. Step 3: Cross multiply
    519,254.28x = 716,522.37 × 301,405.16
  4. Step 4: Simplify right side
    519,254.28x = 215,963,541,665.93
  5. Step 5: Solve for x
    x = 215,963,541,665.93/519,254.28
  6. Step 6: Final answer
    x = 415,910.95

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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.