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Finding the Fourth Proportional to 793,911, 1,095,591.18 and 431,337.84

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Solution

The fourth proportional to 793,911, 1,095,591.18 and 431,337.84 is: 595,242.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    793,911 : 1,095,591.18 = 431,337.84 : x
  2. Step 2: Convert to fraction form
    793,911/1,095,591.18 = 431,337.84/x
  3. Step 3: Cross multiply
    793,911x = 1,095,591.18 × 431,337.84
  4. Step 4: Simplify right side
    793,911x = 472,569,933,104.25
  5. Step 5: Solve for x
    x = 472,569,933,104.25/793,911
  6. Step 6: Final answer
    x = 595,242.96

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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.