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Finding the Fourth Proportional to 519,076.02, 716,189.54 and 304,100.58

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Solution

The fourth proportional to 519,076.02, 716,189.54 and 304,100.58 is: 419,579.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,076.02 : 716,189.54 = 304,100.58 : x
  2. Step 2: Convert to fraction form
    519,076.02/716,189.54 = 304,100.58/x
  3. Step 3: Cross multiply
    519,076.02x = 716,189.54 × 304,100.58
  4. Step 4: Simplify right side
    519,076.02x = 217,793,654,503.93
  5. Step 5: Solve for x
    x = 217,793,654,503.93/519,076.02
  6. Step 6: Final answer
    x = 419,579.50

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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.