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Finding the Fourth Proportional to 591,375.07, 816,097.92 and 319,442.96

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Solution

The fourth proportional to 591,375.07, 816,097.92 and 319,442.96 is: 440,831.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,375.07 : 816,097.92 = 319,442.96 : x
  2. Step 2: Convert to fraction form
    591,375.07/816,097.92 = 319,442.96/x
  3. Step 3: Cross multiply
    591,375.07x = 816,097.92 × 319,442.96
  4. Step 4: Simplify right side
    591,375.07x = 260,696,736,056.98
  5. Step 5: Solve for x
    x = 260,696,736,056.98/591,375.07
  6. Step 6: Final answer
    x = 440,831.46

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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.