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Finding the Fourth Proportional to 502,851.07, 753,447.07 and 289,797.93

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Solution

The fourth proportional to 502,851.07, 753,447.07 and 289,797.93 is: 434,218.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,851.07 : 753,447.07 = 289,797.93 : x
  2. Step 2: Convert to fraction form
    502,851.07/753,447.07 = 289,797.93/x
  3. Step 3: Cross multiply
    502,851.07x = 753,447.07 × 289,797.93
  4. Step 4: Simplify right side
    502,851.07x = 218,347,398,787.39
  5. Step 5: Solve for x
    x = 218,347,398,787.39/502,851.07
  6. Step 6: Final answer
    x = 434,218.82

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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.