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Finding the Fourth Proportional to 333,107.76, 459,677.25 and 189,913.92

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Solution

The fourth proportional to 333,107.76, 459,677.25 and 189,913.92 is: 262,074.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,107.76 : 459,677.25 = 189,913.92 : x
  2. Step 2: Convert to fraction form
    333,107.76/459,677.25 = 189,913.92/x
  3. Step 3: Cross multiply
    333,107.76x = 459,677.25 × 189,913.92
  4. Step 4: Simplify right side
    333,107.76x = 87,299,108,482.32
  5. Step 5: Solve for x
    x = 87,299,108,482.32/333,107.76
  6. Step 6: Final answer
    x = 262,074.68

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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.