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Finding the Fourth Proportional to 496,007.32, 684,543.54 and 281,124.28

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Solution

The fourth proportional to 496,007.32, 684,543.54 and 281,124.28 is: 387,981.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,007.32 : 684,543.54 = 281,124.28 : x
  2. Step 2: Convert to fraction form
    496,007.32/684,543.54 = 281,124.28/x
  3. Step 3: Cross multiply
    496,007.32x = 684,543.54 × 281,124.28
  4. Step 4: Simplify right side
    496,007.32x = 192,441,809,811.15
  5. Step 5: Solve for x
    x = 192,441,809,811.15/496,007.32
  6. Step 6: Final answer
    x = 387,981.79

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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.